In short. Episode 135, Black hole / [produced by Switch International]
Episode 135 - Black Hole: Astrophysicists are now convinced that at the heart of every galaxy is a super massive black hole. It's called a Black Hole because its gravity is so strong that not even light can escape from it. Its mass is billions of times that of our Sun.
Saved in:
| Online Access: |
Streaming Video (via Alexander Street Press) |
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| Format: | Video |
| Language: | English |
| Published: |
Derry, NH :
Chip Taylor Communications,
2011.
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