Data from space probes show that Alfvén waves drive the acceleration and heating of the solar wind
02 Sep
Science & Technology

Data from space probes show that Alfvén waves drive the acceleration and heating of the solar wind

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NASA Space Technology NASA's Parker Solar Probe and ESA's Solar Orbiter missions measuring the same stream of plasma flowing away from the sun at different distances. Parker measured copious magnetic waves near the edge of the corona (the "Alfvén surface"), while Solar Orbiter, located past the orbit of Venus, observed that the waves had disappeared and that their energy had been used to heat and accelerate the plasma. Credit: Yeimy...
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Science & Technology

Boeing’s uncrewed Starliner could return by late next week, NASA says

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NASA Space Technology NASA will proceed with the undocking of the uncrewed Boeing Starliner capsule not before September 6, the space agency said on Thursday after concluding a review.Last week, the space agency said its two astronauts who flew to the International Space Station (ISS) in the Starliner in June will return to Earth in a SpaceX vehicle early next year.Starliner's propulsion system issues were deemed too risky for a crewed return after the capsule experienced a series of glitches in the first 24 hours of its flight to the ISS.The journey back to Earth for the Starliner is expected to take about six hours from undocking to landing at White Sands Space Harbour in New Mexico, NASA said in a blog post.Ground teams will remotely guide the...
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Boeing’s 1st crewed Starliner to return to Earth without astronauts on Sept. 6
30 Aug
Science & Technology

Boeing’s 1st crewed Starliner to return to Earth without astronauts on Sept. 6

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NASA Space Technology Boeing's Starliner space capsule is seen docked at the International Space Station.(Image credit: NASA)Boeing's Starliner capsule now has a homecoming date.NASA announced this evening (Aug. 29) that Starliner will depart the International Space Station (ISS) no earlier than next Friday (Sept. 6), provided the weather cooperates and no technical issues pop up.If all goes according to plan, the capsule will undock at 6:04 p.m. EDT (2204 GMT) on Sept. 6 and land under parachutes six hours later in White Sands Space Harbor in New Mexico.Starliner launched June 5 on its first-ever crewed mission, carrying NASA astronauts Suni Williams and Butch Wilmore toward the ISS. The capsule docked successfully a day later, but there was some drama; Starliner experienced a few helium leaks, and five of its 28 reaction control system thrusters failed...
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NASA selects Intuitive Machines for south pole lunar lander mission
30 Aug
Science & Technology

NASA selects Intuitive Machines for south pole lunar lander mission

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NASA Space Technology Intuitive Machines will use its Nova-C lander for the CLPS task order awarded by NASA Aug. 29. Credit: Intuitive MachinesWASHINGTON — NASA has selected Intuitive Machines to deliver a set of payloads to the south polar region of the moon in 2027, the first award under a commercial lunar lander program in nearly a year and a half.NASA announced Aug. 29 that it awarded a task order valued at $116.9 million through its Commercial Lunar Payload Services (CLPS) program to Intuitive Machines. That company’s Nova-C lander will deliver six payloads, with a combined mass of 79 kilograms, to the south polar region of the moon in 2027.The six payloads — four from NASA centers, one from the European Space Agency and one from the University of Colorado Boulder’s Laboratory for Atmospheric...
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