ESA’s Mars Express has shed new light on the Red Planet’s rare ultraviolet aurora by combining for the first time remote observations with in situ measurements of electrons hitting the atmosphere.
Tag: ESA
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Rover on a roll
Technology image of the week: Remotely-operated testing of a rover’s arrival on Mars – including video highlights -
Europe comes together for space weather
Working with scientists in 14 countries across Europe, ESA is developing a warning network that will help protect us from the effects of our Sun’s activity.
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Earth from Space
ESA’s Sentinel-3 Project Manager Bruno Berruti and Thales Alenia’s Project Manager Yvan Baillion join the show to tell us more about the Sentinel-3A satellite and its mission -
Celebrity comet spotted among Gaia’s stars
A local cosmic celebrity was recently pictured among the multitude of stars and Solar System bodies surveyed by ESA’s Gaia satellite: Comet 67P/Churyumov–Gerasimenko, currently accompanied by another ESA spacecraft, Rosetta.
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CubeSats to an asteroid
CubeSat concepts under study to accompany ESA’s proposed Asteroid Impact Mission into deep space -
Encountering Enceladus
Space Science Image of the Week: Cassini captured this view of Saturn’s moon Enceladus en route to its deepest-ever dive through the moon’s icy geysers -
Galileo pair preparing for December launch
The next Galileo launch campaign has begun with the arrival of the latest pair of navigation satellites at Europe’s Spaceport in French Guiana.
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Manicouagan Crater
Earth observation image of the week: a Sentinel-1A image of the Manicouagan Crater in Quebec, also featured on the Earth from Space video programme -
Melting slows ice flow
It may seem counter intuitive, but satellite data suggest that part of the Greenland ice sheet moves more slowly if the surface of the ice melts faster -
Comet gas surprise
Rosetta’s surprising detection of oxygen suggests it was built into the comet from the start -
First detection of molecular oxygen at a comet
ESA’s Rosetta spacecraft has made the first in situ detection of oxygen molecules outgassing from a comet, a surprising observation that suggests they were incorporated into the comet during its formation.
