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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Seven years from now, in April 2031, ESA's Juice mission will fly past Jupiter's moon Callisto, offering scientists a tantalizing glimpse at the mysterious, cratered alien world.
Astronomy
Apr 11, 2024
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A total solar eclipse swept across North America yesterday, blocking out the sun momentarily with parts of the continent plunged into darkness. Geostationary satellites orbiting 36,000 km away captured images of the rare ...
Planetary Sciences
Apr 9, 2024
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Europe's next rocket, Ariane 6, passed all its qualification tests in preparation for its first flight, and the full-scale test model has been removed from the launch pad to make way for the real rocket that will ascend to ...
Space Exploration
Apr 5, 2024
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Potential signs of the rainbow-like "glory effect" have been detected on a planet outside our solar system. Glory are colorful concentric rings of light that occur only under peculiar conditions.
Astronomy
Apr 5, 2024
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Hundreds of millions of people will witness next week's total solar eclipse across North America, and solar physicists from around the globe are flocking to join them. Eclipses offer a brief glimpse of the sun's ghostly surrounding ...
Astronomy
Apr 4, 2024
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The ESA/NASA Solar Orbiter is approaching the closest point to the sun in its current orbit. It is an important time for the mission's science activities, and the mission control team at ESA is constantly preparing for any ...
Space Exploration
Apr 2, 2024
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In the run up to April's total solar eclipse, ESA-led Solar Orbiter and NASA-led Parker Solar Probe are both at their closest approach to the sun. Tomorrow (March 29), they are taking the opportunity to join hands in studying ...
Space Exploration
Mar 28, 2024
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5
In the year 1181 a rare supernova explosion appeared in the night sky, staying visible for 185 consecutive days. Historical records show that the supernova looked like a temporary "star" in the constellation Cassiopeia shining ...
Astronomy
Mar 27, 2024
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86
A team of European scientists have published the most detailed geological map of Oxia Planum—the landing site for ESA's Rosalind Franklin rover on Mars. This thorough look at the geography and geological history of the ...
Planetary Sciences
Mar 27, 2024
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