Exploding Stars, Shoe Polish and Lost in Space

When do stars explode? How does shoe polish work? What happens if you float away from your spacecraft? Why can't we feel the Earth spinning?...
31 July 2009
Presented by Dave Ansell

600px-Keplers_supernova.jpg

Remnants of Kepler's Supernova - This image has been constructed of images from NASA's Spitzer space telescope, Hubble Space Telescope, and Chandra X-ray Observatory.

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When do stars explode? How does shoe polish work? What happens if you float away from your spacecraft? Why can't we feel the Earth spinning? Dr Dave answers your questions in this week's ASK.

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