Andromeda Galaxy
- Andromeda is the closest spiral galaxy to Earth and is moving towards the Milky Way at about 68 miles per second.
- Scientists estimate that in 4.5 billion years Andromeda will collide into the Milky Way, creating a giant elliptical galaxy.
- Scientists also estimate that there are around 1 trillion stars in Andromeda, holding around 5 times the stars in the Milky Way.
- Because of its large size, Andromeda is the only galaxy besides the Milky Way that can be seen with the naked eye.
- Andromeda features a black hole within its center and is surrounded with a massive amount of blue light.
Featured Fun Fact:
- Did you know that astronomers use the Bortle scale to rank how dark a sky is? The Bortle scale is a 9-level scale that ranks how dark a certain area is and how likely you are to see certain celestial objects. For example, a city as bright as Las Vegas would be a classified as a Bortle class 9 sky.
- This picture was taken in a Bortle class 1 night sky without stacking, making it extremely clear and colorful.
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