Related: Researchers found what they believe is a 2,000-year-old map of the stars. ] The sandstone here was also sculpted to promote a specific flow for both infiltrating and directing rainwater.

Gaia was launched in 2013 to map and characterize more than one billion of the stars in the Milky Way ... The Milky Way is 13.5 billion years old and is thought to have merged with the Gaia ...

ESA’s Euclid space mission reveals the first piece of its great map of the universe, showing millions of stars and galaxies.