288.2. Snippet_Planets around black holes
Possible worlds, though not likely ones.
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Astronomy Without A Telescope
the e-book is now available:
- The book is also now available through the iBooks app. Here is a quick guide to getting the book onto i-devices, such as an iPad.
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- This is the .epub version which will work on other e-book devices without Kindle functionality.
Category Physics and astrophysics
287.3. Snippet_Observational horizons
The edges of the knowable.
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287.2. Snippet_The case for accelerating expansion
Faster and faster.
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286. Fantastic Physics Formulas – Episode 7
Falling, as little as possible.
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