I do love ESA’s Gaia mission. 🙂
Earth and space imagery. Food for thought. Sometimes, the story is right there. Sometimes, it will develop after a while.
Image: Four sky maps made with data from ESA’s Gaia.
Text: These are velocities with respect to the galactic center (and us), interstellar dust, and chemistry. In that order. #ESAGaia
Image credits: ESA/Gaia/DPAC; CC BY-SA 3.0 IGO, CC BY-SA 3.0 IGO