Spacecraft
Euclid
Surveying a third of the sky to build a three-dimensional map of how galaxies are distributed and how that distribution has changed over ten billion years. The shape of it is the evidence: dark matter and dark energy make up 95% of the universe and are known only by what they do to everything else.
- Agency
- ESA
- Launched
- 2023-07-01 - still working
Path
The same kind of loop about L2 that JWST is on, which is why the two are drawn near each other here: it is a region a few hundred thousand km across, and both are in it.
Along the way
- First full-colour pictures of the dark universe survey
Everything the map shows is worked out in your browser from published orbital data - nothing on it is a stored picture of where things were.