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Simple - look up escape velocity on wikipedia

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16y ago

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Why is the atmosphere needed on a planet?

Atmospheres have many different purposes, however the Earths atmosphere is vital to its existense as it prevents the suns harmful radiation from reaching the Earths surface. Moreover, from an enviromental standpoint the errosion by pollutants will eventually destroy the delicate atmosphere and the Earths protective barrier will be gone.


Why do all plants and animals depend on earths atmosphere?

Plants and animals depend on Earth's atmosphere for essential gases like oxygen and carbon dioxide. Oxygen is required for respiration in animals, while carbon dioxide is needed for photosynthesis in plants. The atmosphere also provides protection from harmful solar radiation and regulates the temperature of the planet, creating a stable environment for life to thrive.


What gas was needed to be established within the earths atmosphere before the atmosphere was able to absorb and maintain heat?

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What is the speed needed to enter the earths atmosphere?

It is difficult to answer this question because it mainly depends on the size and mass of an object. Most space debris sizes, almost like a land-rover, need hypersonic speed to enter the earth's atmosphere. This speed is classified as Mach 5 and over. (Mach means traveling at speed of sound, which means moving about one mile in five seconds) Meteors enter at a different rate. Most meteor-sized objects penetrate the earth's surface at roughly 30 miles an hour or a little more. Other things, like shuttles, need speeds a little more than the speed of sound. Because of their mass and size, more thrust is needed to penetrate the earth's atmosphere.


Why do rockets and spaceshuttles break up when travelling in space?

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Which element in earths atmosphere is essential for human life?

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Can sperm penetrate clothing and result in pregnancy?

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What is the only factor needed to calculate change in velocity due to acceleration of gravity 9.8 m s?

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Jupiter's strong gravity and immense size make it difficult for a spaceship to achieve escape velocity needed to overcome its gravitational pull. Additionally, Jupiter's thick atmosphere creates drag that further hinders spacecraft from leaving its orbit.


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