On Dec. 15, 1612, the Andromeda galaxy was seen through a telescope for the first time by a German astronomer named Simon Marius. Space History Archives👉 https://space-com.visitlink.me/SZfKcV The Andromeda galaxy is the closest major galaxy to the Milky Way, and it can be seen with the naked eye. Early astronomers thought it was a nebula, or a glowing cloud of space dust. Even after Simon Marius saw it through a telescope for the first time, he still couldn't tell that it was actually a galaxy

Close-up: Andromeda Galaxy (M31) | Subaru Telescope FriendsofNASA.org: The Andromeda Galaxy (M31) captured by the Hyper Suprime-Cam (HSC), a wide-field optical imaging camera. HSC offers an ultra-wide field of view equivalent to nine full Moons, covering nearly the entire Andromeda Galaxy. These pictures show how the Subaru Telescope and HSC work together to provide a wide field of view and sharp star images. The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the M