ESA - Science & Exploration - Archive

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Science & Exploration

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Science & Exploration

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Intercepting Comet Halley and Comet Grigg–Skjellerup

Probing Earth’s magnetic field and the interplanetary medium

Far-infrared astronomy mission

Mapping the positions of more than 100 000 stars

Launched: 1990 ESA contributed solar arrays and Faint Object Camera

Gamma-ray astronomy

Charting Sun–Earth relations and magnetic field

Infrared astronomy

Ultraviolet astronomy

Deep space comet rendezvous mission

Experimental Moon mission

Continuous observation of the Sun

Europe’s closest mission to the Sun

Launched: 1972 UV, X-ray and gamma-ray astronomy

Charting space above and below the Sun’s poles

Europe’s first Venus orbiter

X-ray astronomy

Mars orbiter and lander, followed by rover

Contributing two instruments to the next great space observatory

Europe’s first Red Planet orbiter

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