350.3 Planetary Defence
Dodging disaster.
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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.
Recent Podcasts
350.2 Implausible Engineering – Advanced propulsion drives
Getting around faster, maybe.
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350. Dear Cheap Astronomy – Episode 121
Very dense and podcastable.
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349.3 Gravity assist maneuvers
A helping hand
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