Escaping a gravity well is never an easy proposition. Unlike other kinds of wells there are no walls, so your options are immediately limited. Over the years we humans have experimented with a variety of ways of getting out – with varying levels of success.(...)
Read the rest of Astronomy Without A Telescope ? The Only Way Is Up (446 words)
© Steve Nerlich for Universe Today, 2010. |
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Full story at http://www.universetoday.com/2010/02/13/astronomy-without-a-telescope-%e2%80%93-the-only-way-is-up-2/
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