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Chandra: Event Horizon (5:38)
Watch this NASA video to learn what a black hole and how it works. Black holes are created whenever matter collapses onto itself. When anything gets too close it gets pulled in - even light. How close is too close? That's called the event horizon.
TLC Elementary School: The Story of the Solar System (24:34)
This video includes four segments. In the first clip, learn how galaxies came together. In the second, learn about solar energy and wind. In the third clip, explore the planets and learn all about comets and asteroids in the final segment.
Does our solar system have boundaries? (3:10)
Watch this NASA video to see if our solar system has boundaries. There are actually many boundaries. Learn the difference between the heliosphere and the "bow shock".
Chandra: All About Supernovas (4:39)
Watch this NASA video to learn about supernovas. When these supernovas are formed, they can be the brightest thing visible in the universe. In our own galaxy, we can see supernovas about twice a century (although the last one recorded was in 1604).
Chandra: All About Stars (4:13)
Watch this NASA video to learn more about stars. Stars are balls of hot gas, and the don't just give off visible light, but rather all wavelengths of light. Watch this video to better understand how stars work.
