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Name:Milky Way
Type: Spiral Galaxy
Age:Approximately 13.6 billion years old
Size:Estimated 100,000 light-years in diameter
Stars:Contains 200-400 billion stars
Location: Home to our solar system, located in the Local Group of galaxies
Key Features:
- Central bulge of older stars
- Spiral arms of younger stars, gas, and dust
- Supermassive black hole at the center (Sagittarius A*)
- Rotates once every 225-250 million years
Interesting Facts:
- The Milky Way is visible as a bright, hazy band in the night sky
- It's colliding with the Andromeda galaxy, expected to merge in 4.5 billion years
- The Milky Way has several satellite galaxies, including the Magellanic Clouds
The Milky Way is our cosmic neighborhood, and understanding it helps us better comprehend the universe!
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