For something that was to have been done and thrown away three years ago, NASA's Juno spacecraft has a busy schedule ahead exploring Jupiter and its big moons. From a report: The spacecraft entered orbit around Jupiter on July 4, 2016, and has survived bombardment from intense radiation at the largest of the solar system's planets. It is now finishing its primary mission, but NASA has granted it a four-year extension and 42 more orbits. Last week, it zipped past Ganymede, Jupiter's largest moon. "Basically, we designed and built an armored tank," said Scott J. Bolton of the Southwest Research Institute in San Antonio, who is the mission's principal investigator. "And it's worked." Jupiter is essentially a big ball of mostly hydrogen, but it has turned out to be a pretty complicated ball. The mission's discoveries include lightning higher up than thought possible, rings of stable storms at the north and south poles, and winds extending so deep into the interior that they might push around the planet's magnetic fields.

"I think this has been a revelation," said David J. Stevenson, a professor of planetary science at the California Institute of Technology and a co-investigator on the mission. Juno's highly elliptical path, pitched up at almost a 90-degree angle to the orbits of Jupiter's moons, passes over the planet's north and south poles. On each orbit, Juno swoops in, reaching a top speed of 130,000 miles per hour as it passes within a few thousand miles of Jupiter's clouds.

Slashdot reader ytene writes: The BBC are showing the first set of images of NASA's now-assembled "Space Launch System" (SLS) vehicle, noting that NASA intends to use it to launch a human crew back to the moon later this decade. Testing will take place before astronauts are expected to ride the vehicle to space some time in 2023.
It's enormous. From the BBC's report: On Friday, engineers at Florida's Kennedy Space Center finished lowering the 65m (212ft) -tall core stage in-between two smaller booster rockets... Nasa plans to launch the SLS on its maiden flight later this year. During this mission, known as Artemis-1, the SLS will carry Orion — America's next-generation crew vehicle — towards the Moon. However, no astronauts will be aboard...

The SLS consists of the giant core stage, which houses propellant tanks and four powerful engines, flanked by two 54m (177ft) -long solid rocket boosters.
In early 2020 the BBC reported that "Some in the space community believe it would be better to launch deep space missions on commercial rockets. But supporters of the programme say that NASA needs its own heavy-lift launch capability...

"The SLS was designed to re-use technology originally developed for the space shuttle programme, which ran from 1981-2011."

On Monday, NASA's Juno spacecraft will come within 645 miles of the surface of Jupiter's largest moon, Ganymede. "The flyby will be the closest a spacecraft has come to the solar system's largest natural satellite since NASA's Galileo spacecraft made its penultimate close approach back on May 20, 2000," reports Phys.Org. From the report: Along with striking imagery, the solar-powered spacecraft's flyby will yield insights into the moon's composition, ionosphere, magnetosphere, and ice shell. Juno's measurements of the radiation environment near the moon will also benefit future missions to the Jovian system. Ganymede is bigger than the planet Mercury and is the only moon in the solar system with its own magnetosphere -- a bubble-shaped region of charged particles surrounding the celestial body.

Juno's science instruments will begin collecting data about three hours before the spacecraft's closest approach. Along with the Ultraviolet Spectrograph (UVS) and Jovian Infrared Auroral Mapper (JIRAM) instruments, Juno's Microwave Radiometer's (MWR) will peer into Ganymede's water-ice crust, obtaining data on its composition and temperature. Signals from Juno's X-band and Ka-band radio wavelengths will be used to perform a radio occultation experiment to probe the moon's tenuous ionosphere (the outer layer of an atmosphere where gases are excited by solar radiation to form ions, which have an electrical charge).

Australians were among those lucky enough to see it on Wednesday evening, a rare astronomical event marked by a dazzling array of sunset colors like red and burnt orange: a "super blood moon." From a report: From Brazil to Alaska, California to Indonesia, people with the right view of the celestial phenomenon marveled as their moon, usually a predictable, pale, Swiss-cheese-like round in the sky, was transformed into a fierce, red giant. As one Twitter user, words failing, put it: "Man I'm in love with this urghhh." The striking display was the result of two simultaneous phenomena: a supermoon (when the moon lines up closer than normal to our planet and appears to be bigger than usual), combined with a total lunar eclipse, or blood moon (when the moon sits directly in the Earth's shadow and is struck by light filtered through the Earth's atmosphere).

"A little bit of sunlight skims the Earth's atmosphere," said Brad Tucker, an astrophysicist and cosmologist based at the Australian National University in Canberra, the country's capital. He said this creates the effect of "sunrise and sunset being projected onto the moon." Depending on your vantage point and the amount of dust, clouds and pollution in the atmosphere, Dr. Tucker added, the moon appears pink-orange or burned red or even a brown color. "A super poo moon doesn't really have the same ring," he said. Sky gazers in eastern Australia caught the eclipse beginning around 6:47 p.m. local time Wednesday, with it peaking by 9:18 p.m., while those in Los Angeles were to see the action beginning at 1:47 a.m. Pacific time. In Australia, some took to the skies on a special flight to see the supermoon. It left Sydney about 7:45 p.m. and was to return later that evening. Vanessa Moss, an astronomer with Australia's national science agency, CSIRO, and the guest expert on the flight, said this kind of phenomenon was exciting because it was accessible.

An anonymous reader quotes a report from The Intercept: Now that Jeff Bezos's space flight company Blue Origin has lost a multibillion contract to Elon Musk's SpaceX, Congress is prepping the ground for Bezos to win a contract anyway, ordering NASA to make not one but two awards. The order would come through the Endless Frontier Act, a bill to beef up resources for science and technology research that's being debated on the Senate floor this week. An amendment was added to that legislation by Sen. Maria Cantwell, D-Wash., to hand over $10 billion to NASA -- money that most likely would go to Blue Origin, a company that's headquartered in Cantwell's home state.

Cantwell's amendment is no sure bet though: Sen. Bernie Sanders, I-Vt., introduced a last-minute amendment Monday to eliminate the $10 billion. "It does not make a lot of sense to me that we would provide billions of dollars to a company owned by the wealthiest guy in America," Sanders told The Intercept Tuesday. Cantwell's measure wouldn't rescind the grant to SpaceX but would create an additional contract that Bezos's company would be in line to win. A third company, Dynetics, had also bid for the moonshot, but the author of the new amendment offers a strong suggestion of which company it's likely to benefit. The measure has been attached to the Endless Frontier Act as part of a manager's amendment and authorizes $10.032 billion through the year 2026 for the moon program. Authorization alone does not fund the program, and Congress would still need to appropriate the money, or the executive would need to find other appropriated funds.

South Korea unveiled ambitious plans to spend roughly $450 billion to build the world's biggest chipmaking base over the next decade, joining China and the U.S. in a global race to dominate the key technology. From a report: Samsung Electronics and SK Hynix will lead more than 510 trillion won of investment in semiconductor research and production in the years to 2030 under a national blueprint devised by President Moon Jae-in's administration. They'll be among 153 companies fueling the decade-long push, intended to safeguard the nation's most economically crucial industry. Moon got a briefing from chip executives on the initiative Thursday during a visit to the country's most advanced chip factory, a Samsung plant south of Seoul.

Samsung is boosting its spending by 30% to $151 billion through 2030 while Hynix is committing $97 billion to expansion at existing facilities in addition to its $106 billion plan for four new plants in Yongin, co-Chief Executive Officer Park Jung-ho said during the event. "Major global competitors are pressing ahead with massive investment to be the first to take the future market," Moon said in a speech. "Our companies have been taking risks and innovating as well and have completed preparations for tumultuous times."

NASA has suspended work on SpaceX's new $2.9 billion lunar lander contract while a federal watchdog agency adjudicates two protests over the award, the agency said Friday. The Verge reports: Putting the Human Landing System (or HLS) work on hold until the GAO makes a decision on the two protests means SpaceX won't immediately receive its first chunk of the $2.9 billion award, nor will it commence the initial talks with NASA that would normally take place at the onset of a major contract. Elon Musk's SpaceX was picked by NASA on April 16th to build the agency's first human lunar lander since the Apollo program, as the agency opted to rely on just one company for a high-profile contract that many in the space industry expected to go to two companies.

As a result, two companies that were in the running for the contract, Blue Origin and Dynetics, protested NASA's decision to the Government Accountability Office, which adjudicates bidding disputes. Blue Origin alleges the agency unfairly "moved the goalposts at the last minute" and endangered NASA's speedy 2024 timeline by only picking SpaceX. "Pursuant to the GAO protests, NASA instructed SpaceX that progress on the HLS contract has been suspended until GAO resolves all outstanding litigation related to this procurement," NASA spokeswoman Monica Witt said in a statement.

An astronaut who flew on one of the most famous space missions of all time has died. From a report: Michael Collins, 90, was part of the three-member crew on Apollo 11, the first lunar landing mission in 1969. Unlike Neil Armstrong and Buzz Aldrin, he never walked on the moon. Collins stayed behind and piloted the command module as it circled above. Because of that, Collins is often called the 'forgotten astronaut'. Collins had been battling cancer. In a statement released by his family, "He spent his final days peacefully, with his family by his side. Mike always faced the challenges of life with grace and humility, and faced this, his final challenge in the same way."

NASA Administrator Steve Jurczyk said the nation lost a true pioneer, "NASA mourns the loss of this accomplished pilot and astronaut, a friend of all who seek to push the envelope of human potential. Whether his work was behind the scenes or on full view, his legacy will always be as one of the leaders who took America's first steps into the cosmos. And his spirit will go with us as we venture toward farther horizons." When Neil Armstrong first stepped on the moon and uttered the famous phrase, "Houston, Tranquility Base here, the Eagle has landed," Collins was in orbit, 60 miles above, just as busy, and just as excited, telling the team back in Houston he was listening to communications with his comrades, and it was "fantastic." Aldrin and Armstrong were on the lunar surface just under 22 hours. The world was transfixed. Seeing them bunny-hop along, take pictures and collect lunar samples during their single, short moonwalk. All the while, Collins circled the moon. Looking down at the barren lunar landscape and peering back at the Earth. "The thing I remember most is the view of planet Earth from a great distance," he said later. "Tiny. Very shiny. Blue and white. Bright. Beautiful. Serene and fragile."

"Jeff Bezos' Blue Origin filed a protest with the Government Accountability Office against NASA on Monday, challenging the space agency's award of a nearly $3 billion moon lander contract to Elon Musk's SpaceX earlier this month," reports CNBC. In response, Musk teased on Twitter that Bezos couldn't "get it up (to orbit)." From the report: SpaceX, in a competition against Blue Origin and Leidos' subsidiary Dynetics, was awarded $2.89 billion for NASA's Human Landing System program. The HLS program is focused on building a lunar lander that can carry astronauts to the moon's surface under NASA's Artemis missions. For HLS, SpaceX bid a variation of its Starship rocket, prototypes of which the company has been testing at its facility in Texas. NASA was previously expected to choose two of the three teams to competitively build lunar landers, making the sole selection of SpaceX a surprise given the agency's prior goals for the program to continue to be a competition.

Blue Origin decried the award as "flawed" in a statement to CNBC, saying that NASA "moved the goalposts at the last minute." "In NASA's own words, it has made a 'high risk' selection. Their decision eliminates opportunities for competition, significantly narrows the supply base, and not only delays, but also endangers America's return to the Moon. Because of that, we've filed a protest with the GAO," Blue Origin said. Blue Origin revealed that NASA evaluated the company's HLS proposal to cost $5.99 billion, or roughly twice that of SpaceX. The company argued in its protest filing that NASA's cost for funding both proposals would have been under $9 billion -- or near how much the agency spent for SpaceX and Boeing to develop competing astronaut capsules under the Commercial Crew program.

First, Bezos' company said NASA did not give SpaceX's competitors an opportunity to "meaningfully compete" after "the agency's requirements changed due to its undisclosed, perceived shortfall of funding" for the HLS program. Second and third, Blue Origin said that NASA's acquisition was flawed under the agency's acquisition rules and its evaluation of the company's proposal "unreasonable." Fourth, the company asserted that NASA "improperly and disparately" evaluated SpaceX's proposal. And finally, Blue Origin said that NASA's evaluation of the proposals changed the weight it gave to key criteria, making price "the most important factor because of perceived funding limitations."

Hmmmmmm writes: China plans to launch its next robot lunar lander in 2024, and it will carry equipment manufactured by scientists from France, Sweden, Italy, and Russia, Hu Hao, the program's chief designer, told the Xinhua News Agency on Saturday. The country aims to position the lander, named Chang'e 6, near the lunar south pole where it will collect samples, per the official Xinhua News Agency.

The Chang'e 6 lander is part of China's ongoing mission to successfully return moon samples back home "for comprehensive analysis and research," Hu said at a conference, Associated Press reported.

For the 2024 mission, The China National Space Administration has invited scientists from around the world to take part in the program, offering to transport solicited payloads into space. So far, four payloads designed by the international scientists have been preliminarily chosen, the Xinhua News Agency reported.

April 20th or 4/20 is the unofficial marijuana holiday where thousands of cannabis smokers celebrate the smoking of marijuana with marijuana. But this year, it could also be the day the meme-based cryptocurrency Dogecoin shatters new record highs. According to Fortune, "advocates are hoping to see Dogecoin hit $1 on April 20 -- one week after it was valued at just 9 cents. From the report: Dogecoin has already hit some financial landmarks that didn't seem possible at the start of the year. Its market value has topped $50 billion, making it bigger than Ford or Marriott. And if it comes close to hitting its target Tuesday, it could outpace some blue-chip companies. For once (for now), Elon Musk has nothing to do with the furor surrounding Dogecoin. This time, the credit goes, in part, to... Slim Jim. Really.

The packaged meat product latched on to Dogecoin-mania on its Twitter account last Wednesday (saying "RT to send Doge to the moon!!" -- the rallying cry among the r/WallStreetBets crowd for GameStop stock). The cry worked. Doge fans -- and even other brands -- jumped on the bandwagon quickly.

NASA on Friday selected SpaceX to build spacecraft that would land astronauts on the moon for the first time since the last Apollo mission, according to a source selection document obtained by The Washington Post. From the report: The contract marks another major victory for the hard-charging company that vaults it to the top tier of the nation's aerospace companies and solidifies it as one of the space agency's most trusted partners. In winning the $2.9 billion contract, SpaceX beat out Jeff Bezos' Blue Origin, which had formed what it called a "national team" by partnering with aerospace giants Lockheed Martin, Northrop Grumman and Draper. SpaceX also won over Dynetics, a defense contractor based in Huntsville, Ala. NASA had originally chosen all three companies for the initial phase of the contract, and was expected to choose two of them to build the lunar lander. In other major programs, NASA has chosen multiple providers to foster competition and to ensure it has redundancy in case one can't deliver. But in choosing SpaceX alone, it sent a message that it fully trusts the growing company to fly its astronauts for its signature human exploration program -- Artemis, a campaign to return astronauts to the moon for the first time since 1972.

Dogecoin, the virtual currency that originally started as an internet meme more than seven years ago, has surged more than 85% in the last 24 hours and is trading at $0.13. Its market cap is now over $17 billion. CNN reports: The currency has soared more than 2,000% from the start of the year, and has a big fan in Tesla CEO Elon Musk, whose tweets about it have on occasion driven up Dogecoin's value. Dogecoin has also enjoyed something of a cult status on Reddit, where a popular group -- not unlike the WallStreetBets group behind GameStop's rally -- decided earlier this year to propel its value "to the moon." Dogecoin soared over 600% in the wake of that push. The latest surge in crypto prices comes as Coinbase became the first major cryptocurrency company to list its shares on a U.S. stock exchange.

An anonymous reader quotes a report from Bloomberg: South Koreans must learn how to work alongside machines if they want to thrive in a post-pandemic world where many jobs will be handled by artificial intelligence and robots, according to the country's labor minister. "Automation and AI will change South Korea faster than other countries," Minister of Employment and Labor Lee Jae-kap said in an interview Tuesday. "Not all jobs may be replaced by machines, but it's important to learn ways to work well with machines through training."

While people will have to increase their adaptability to work in a fast-changing high-tech environment, policy makers will also need to play their part, Lee said. The government needs to provide support to enable workers to move from one sector of the economy to another in search of employment and find ways to increase the activity of women in the economy, he added. The minister's remarks underline the determination of President Moon Jae-in's government to press ahead with a growth strategy built around tech even if it risks alienating the country's unions -- an important base of support for the ruling camp -- in the short term. "New jobs will be created as technology advances," Lee said. "What's important in policy is how to support a worker move from a fading sector to an emerging one." The government is looking to help with this transition by expanding its employment insurance program to 21 million people, or more than 40% of the population, by 2025. "The program is part of a government initiative to provide financial support in the form of insurance for every worker in the country, whether they are artists, freelancers or deliverymen on digital platforms," adds Bloomberg.

"Separately, the government is providing stipends for young people to encourage them to keep searching for work, as their struggle to stay employed amid slowing economic growth has been made tougher by the pandemic."

Space.com writes: Tank battles and history will collide this month as the makers of the free-to-play game "World of Tanks" honors the legacy of famed cosmonaut Yuri Gagarin for the 60th anniversary of his historic launch into space... "World of Tanks" developer Wargaming has launched its "To The Stars!" event, which recruits Gagarin into the game along with Vostok 1 themed goodies for players. The event launched Wednesday (April 7 ) and runs through April 19. Gagarin will be an in-game commander, dressed in his iconic orange flight suit, who will represent the U.S.S.R. nation.

"World of Tanks" creators worked with Gagarin's daughter, Galina Gagarina, to launch a commemorative website for the 60th anniversary of Vostok 1. You can see that "To The Stars! website here, where players can also track their progress in the event.

"Yuri Gagarin proved that humans can live and operate in space. His flight encouraged and gave hope to all those who dreamed of this! It kickstarted the deep understanding of humanity's role in preserving and developing our cosmic home — Earth," Galina Gagarin said in a statement. "I'm happy to know that, through the millions-strong audience of World of Tanks, the memory of mankind's first foray into space will be preserved for years to come!"
The press release promises a "shower of cosmic activities," including return of "Gravity Force Mode" between April 12 and April 18 with a new ability that "allows tanks to jump up and operate in the air."

And the Wargaming/MS-1 team behind the mobile tank game "World of Tanks Blitz" commemorated Gagarin's historic flight by launching a tank model into the stratosphere.

The moon is just 27% the size of earth. So long-time Slashdot reader fahrbot-bot shares an interesting question from Science Alert.

"If you were to hop in a spaceship, don a spacesuit and go on an epic lunar hike, how long would it take to walk all the way around it? " During the Apollo missions, astronauts bounced around the surface at a casual 1.4 mph (2.2 km/h), according to NASA. This slow speed was mainly due to their clunky, pressurized spacesuits that were not designed with mobility in mind. If the "moonwalkers" had sported sleeker suits, they might have found it a lot easier to move and, as a result, picked up the pace...

At this new hypothetical max speed, it would take about 91 days to walk the 6,786-mile (10,921 km) circumference of the moon. For context, it would take around 334 days to walk nonstop (i.e., not stopping to sleep or eat) around the 24,901-mile (40,075 km) circumference of Earth at this speed, although it is impossible to do so because of the oceans.

Obviously, it's not possible to walk nonstop for 91 days, so the actual walk around the moon would take much longer.
Of course, it's not that easy, with ongoing solar radiation, extreme temperatures, and the need to walk around mile-deep craters. Aidan Cowley, a scientific adviser at the European Space Agency, also pointed out to Live Science that you'd need a support vehicle following you with food, water, and oxygen (which could also double as shelter, "kind of like portable mini-bases."). But he also identified another issue: This type of mission would also require a huge amount of endurance training because of the demands of exercising in low gravity on your muscles and cardiovascular system. "You'd have to send an astronaut with ultra-marathon-level fitness to do it," Cowley said. Even then, walking at a top speed would be possible only for around three to four hours a day, Cowley said. So, if a person walked at 3.1 mph (5 km/h) for 4 hours a day, then it would take an estimated 547 days, or nearly 1.5 years to walk the moon's circumference, assuming your route isn't too disrupted by craters and you can deal with the temperature changes and radiation.

However, humans won't have the technology or equipment to accomplish such a feat until at least the late 2030s or early 2040s, Cowley said. "You'd never get an agency to support anything like this," Cowley said. "But if some crazy billionaire wants to try it, maybe they can pull it off."

A new NASA mission, called the Double Asteroid Redirection Test (DART) mission due for launch this summer, aims to launch a spaceship that will directly punch an asteroid. Motherboard reports: The mission's target is an asteroid system called Didymos, which contains two space rocks that orbit each other. In late 2022, DART will forcefully impact the smaller asteroid in this system, a tiny moon called Dimorphos, so that scientists can assess the feasibility of knocking any space rocks that threaten Earth off course in the future. [...] DART will pioneer a subtler form of planetary defense, in which the trajectory of an asteroid is changed by a very small amount that becomes significant over time. Late next year, the mission will crash into Dimorphos at about seven kilometers per second. Shortly before the collision, the spacecraft will deploy a small satellite provided by the Italian Space Agency that is tasked with watching "the mess we make," [said Andy Rivkin, a planetary astronomer at the Johns Hopkins University Applied Physics Laboratory and the investigation team lead for DART].

Observations from the Italian satellite, as well as from powerful telescopes on Earth, will reveal just how much Dimorphos was affected by the crash. Rivkin and his colleagues expect the change in orbital speed to be small -- about one millimeter per second -- which would add up to a shortening of the orbital period by about 10 minutes. But even this very slight shift would be enough to redirect the trajectory of a hazardous asteroid that threatened Earth, provided scientists have a lead-time of a decade or two before the projected impact.

The mammoth cargo ship blocking one of the world's most vital maritime arteries was wrenched from the shoreline and set partially afloat again early on Monday morning, raising hopes that traffic could soon resume in the Suez Canal and limit the economic fallout of the disruption. From a report: Salvage teams, working on both land and water for five days and nights, were ultimately assisted by forces more powerful than any of the machines rushed to the scene to assist in the rescue: the moon the tides. As water levels swelled overnight, the hours spent digging and excavating millions of tons of earth around the Ever Green paid dividends as the ship slowly regained buoyancy, according to officials. Images on social media showed tugboat crews celebrating the victory in the predawn hours.

It appeared to be the culmination of one of the largest and most intense salvage operations in modern history, with the smooth functioning of the entire global trading system hanging in the balance. Each day the canal was blocked put global supply chains another day closer to a full-blown crisis. Vessels packed with the world's goods -- including cars, oil, livestock and laptops -- usually flow through the waterway with ease, supplying much of the globe as they traverse the quickest path from Asia and the Middle East to Europe and the East Coast of the United States. With concerns the salvage operation could take weeks, some ships decided not to wait, U-turning to take the long way around the southern tip of Africa, a voyage that could add weeks to the journey and cost more than $26,000 a day in fuel costs. Traffic is beginning to resume.

sciencehabit shares a report from Science Magazine: Saturn's frigid moon Titan has long intrigued scientists searching for life in the Solar System. Its surface is coated in organic hydrocarbons, and its icy crust is thought to cover a watery ocean. An asteroid or comet slamming into the moon could theoretically mix these two ingredients, according to a new study, with the resulting impact craters providing an ideal place for life to get started.

The idea is "very exciting," says Lea Bonnefoy, a planetary scientist and Titan expert at the University of Paris. "If you have a lot of liquid water creating a temporary warm pool on the surface, then you can have conditions that would be favorable for life," she says. And, "If you have organic material cycling from the surface into the ocean, then that makes the ocean a bit more habitable."

President Joe Biden is expected to nominate former Sen. Bill Nelson of Florida to lead NASA, settling on a longtime booster of the space program to lead the agency's return to the moon, POLITICO reported Thursday, citing sources. From the report: If confirmed by the Senate, Nelson would lead the space agency as it partners with the new crop of private space companies to establish a long-term presence on the lunar surface in preparation for sending astronauts to Mars. A Senate staffer and a second source familiar with the decision told POLITICO that the administration has picked Nelson, and that the announcement will come on Friday. Both sources spoke on background because they were not authorized to speak ahead of the formal announcement. Nelson, 78, who himself spent six days in orbit when he flew to space in 1986 aboard the Space Shuttle Columbia, served as the top Democrat on the Senate Commerce, Science and Transportation Committee during his 18 years in Congress, where he was instrumental in establishing many of NASA's current priorities.