Windswept piles of dust, or layers of ice? ESA's Mars Express has revisited one of Mars's most mysterious features to clarify its composition. Its findings suggest layers of water ice stretching several kilometers below ground—the ...
Planetary Sciences
Jan 19, 2024
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122
Nestled between the colossal Martian "Grand Canyon" (Valles Marineris) and the tallest volcanoes in the solar system (the Tharsis region) lies Noctis Labyrinthus—a vast system of deep and steep valleys that stretches out ...
Planetary Sciences
Oct 11, 2023
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17
Memories of solar impact from seven ESA spacecraft have been collected and analyzed in a first-of-its-kind study to better understand the radiation environment in space. Huge amounts of engineering data has been used to reveal ...
Space Exploration
Aug 11, 2023
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8
Measurements by ESA's long-serving twin missions, Mars Express and Venus Express, have captured the dance between the intensity of high-energy cosmic rays and the influence of the sun's activity across our inner solar system.
Astronomy
Dec 5, 2022
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176
In 1877, American astronomer Asaph Hall discovered two small moons circling the planet Mars, later named Phobos and Deimos after the Greek for "fear" and "panic."
Space Exploration
Oct 31, 2022
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45
The latest image release from ESA's Mars Express takes us over two ruptures in the Martian crust that form part of the mighty Valles Marineris canyon system.
Space Exploration
Jul 20, 2022
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62
The MARSIS instrument on ESA's Mars Express spacecraft, famous for its role in the discovery of signs of liquid water on the Red Planet, is receiving a major software upgrade that will allow it to see beneath the surfaces ...
Space Exploration
Jun 22, 2022
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20
At first glance, two contrasting circular features jump out of this scene: a volcano that rises gently above the surface with a collapsed caldera system, and an impact crater that digs down below. Both features have different ...
Space Exploration
Jan 27, 2022
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50
This November, ESA's Mars Express spacecraft carried out a series of experimental communication tests with the Chinese (CNSA) Zhurong Mars rover. Mars Express successfully caught data sent up 'in the blind' by the rover and ...
Space Exploration
Dec 2, 2021
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45
When spring arrives in southern Mars, a cloud of water ice emerges near the 20-kilometer-tall Arsia Mons volcano, rapidly stretching out for many hundreds of kilometers before fading away in mere hours. A detailed long-term ...
Space Exploration
Mar 9, 2021
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