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What are some of the most interesting facts about astrophysics?
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1. Astrophysics is the study of the physical and chemical properties of stars, galaxies, planets, moons, comets, asteroids, and other objects in space.
2. The universe is expanding at an accelerating rate, which suggests that there must be a force or energy driving this expansion.
3. The Milky Way galaxy contains over 100 billion stars and has a diameter of approximately 100,000 light-years.
4. Astronomers have discovered thousands of planets outside our solar system, including more than 2,000 confirmed exoplanets.
5. The Large Hadron Collider (LHC) is the world's largest and highest-energy particle accelerator, located near Geneva, Switzerland.
6. The Hubble Space Telescope was launched into orbit in 1990 and has been observing the universe ever since.