By analyzing the data from ESA's Gaia satellite, Chinese astronomers have detected a new tidal stellar stream in the northern hemisphere, which has a low metallicity and a relatively high energy. The finding was reported ...
A reaction wheel—one of the heaviest parts of a space mission, its changing rotation used to shift a satellite's orientation—seen in a plasma wind tunnel belonging to the High Enthalpy Flow Diagnostics Group (HEFDiG) ...
Space Exploration
Apr 11, 2024
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2
The US and Japan are sponsoring a resolution for debate by the United Nations security council which—if passed—will reaffirm international commitments to the 1967 outer space treaty (OST) forbidding the deployment and ...
Space Exploration
Apr 8, 2024
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25
In the dark, early morning sky of March 21 over NASA's Wallops Island Flight Facility on the Virginia coast, a Rocket Lab Electron rocket carried a National Reconnaissance Office (NRO) manifest featuring three collaborative ...
Space Exploration
Mar 28, 2024
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15
This densely populated group of stars is the globular cluster NGC 1841, which is part of the Large Magellanic Cloud (LMC), a satellite galaxy of our Milky Way galaxy that lies about 162,000 light-years away. Satellite galaxies ...
Astronomy
Mar 1, 2024
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79
A Russian rocket on Thursday successfully put an Iranian satellite into orbit, a launch that underlined increasingly close cooperation between Moscow and Tehran.
Space Exploration
Feb 29, 2024
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5
Following a hugely successful mission and almost 30 years in orbit, ESA's ERS-2 reentered Earth's atmosphere at approximately 18:17 CET (17:17 UTC) on 21 February 2024.
Astronomy
Feb 26, 2024
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31
News of a possible Russian satellite-destroying, space-based nuclear weapon sent shock waves through Washington this week. Some officials responded with considerable alarm, while others insisted that such concern is—for ...
Political science
Feb 19, 2024
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39
I used to love rocket launches when I was younger. During every launch, I imagined what it would feel like to be an astronaut sitting in the spacecraft, listening to that final countdown and then feeling multiple gees push ...
Astronomy
Feb 12, 2024
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48
Cumulus clouds over land start to disappear almost instantly during a partial solar eclipse. Until recently, satellite measurements during the eclipse resulted in dark spots in the cloud map, but researchers from TU Delft ...
Environment
Feb 12, 2024
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