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More than 120 space shuttle flights have been launched since the inception of the U.S. Space Shuttle Program, starting in 1981 with STS-1. All subsequent lanches were labelled "STS" followed by ......
| Last Update: 2009-11-05 |
Views: 102 |
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On the planets we have visited no but, universe is huge containing 70 sextillion stars in the visible universe alone 250 billion in the Milky way and half of all stars ......
| Last Update: 2009-10-05 |
Views: 73 |
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Interesting question. It depends on exactly what you mean by "burned out". If the sun suddenly went dark, just stopped putting out light then it wouldn't take long. Earth is 93 ......
| Last Update: 2008-01-23 |
Views: 501 |
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The planet Saturn is named after the Roman deity Saturn who was the god of the harvest and agriculture. Of the seven planets of antiquity the furthest observerable one was Saturn. ......
| Last Update: 2007-12-13 |
Views: 331 |
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Short answer: forever.Long answer: While the moon technically does have an atmosphere, it is so thin that there's no way to tell it from a pure vacuum. Sound does not travel ......
| Last Update: 2007-12-06 |
Views: 420 |
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For any planet with a moon, the planet's mass can be approximated by GmM/r² = mv²/r = mrω² = mr(2π/P)², where G is the gravitational constant, m the mass of the ......
| Last Update: 2007-12-05 |
Views: 325 |
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Pluto’s status as a planet is up for much debate, I will outline the two sides of the argument as best I can.In 2006 the International Astronomical Union defined what a ......
| Last Update: 2007-11-30 |
Views: 390 |
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