Program archive
Sun-Earth L2 is explored here through 4 archived missions, from Herschel through Euclid, with the program’s spacecraft, people, milestones, and source-backed history connected along the way.
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Choose a path through the Sun-Earth L2 archive.
4 mission-specific spacecraft and test articles, plus 0 launch systems and shared hardware records.
Herschel Space Observatory is a far-infrared space observatory operated by European Space Agency.
Planck is a cosmic microwave background observatory operated by European Space Agency.
Euclid space telescope launched or is planned to launch at about 4,760 pounds (2,160 kilograms) under European Space Agency with NASA and international consortium contributions.
Gaia astrometry observatory launched or is planned to launch at 4,473 pounds (2,029 kilograms) under European Space Agency and Gaia Data Processing and Analysis Consortium.