Have you ever wondered how astronomers manage to map out the Milky Way when it's so incredibly vast? One of the most powerful ...
Credit: ESA/Gaia/DPAC We now have the most detailed catalogue of stars in our Milky Way galaxy yet. The new map -- created using ... asteroids in our own solar system. It even shows other galaxies ...
The inner Oort cloud, between 1,000 and 10,000 AU from the sun, displays a spiral formation with arms that extend 15,000 AU.