slingshot
http://plus.maths.org/content/category/tags/slingshot
enOuter space: Two's company, three's a crowd
http://plus.maths.org/content/outer-space-twos-company-threes-crowd
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John D. Barrow </div>
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<img class="imagefield imagefield-field_abs_img" width="100" height="100" alt="" src="http://plus.maths.org/content/sites/plus.maths.org/files/issue31/outerspace/icon.jpg?1093993200" /> </div>
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<p>Two people who get on well together can often find their relationship destabilised by the arrival of a third into their orbit.</p>
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<div class="pub_date">September 2004</div>
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<p>Two people who get on well together can often find their relationship destabilised by the arrival of a third into their orbit. This is even more noticeable when gravity is the force of attraction involved. Newton taught us that two masses can remain in stable orbit around their centre of mass under their mutual gravitational forces - as do the Earth and the Moon.<p><a href="http://plus.maths.org/content/outer-space-twos-company-threes-crowd" target="_blank">read more</a></p>http://plus.maths.org/content/outer-space-twos-company-threes-crowd#comments31gravityouterspaceslingshotthree body problemTue, 31 Aug 2004 23:00:00 +0000plusadmin4776 at http://plus.maths.org/content