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Stephen Frangulescu

on 4 April 2014

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Transcript of Gravity

Gravity is the force that pulls/keeps things 'attached' to a planet. It makes sure that you always have your feet on the ground and makes sure that your things don't float away. Gravity is essential for our type of living.
Gravity keeps us on the ground, gravity holds the universe and keeps things in their place, it keeps the earth in orbit around the sun, it keeps the moon in orbit around the earth, brings rain down from the clouds and holds the air down on the earth so we can breathe.
Interesting Facts
Tides are caused by the rotation of the Earth and the gravitational effects of the Moon and Sun
If there was no gravity on earth the atmosphere would float away.
Without gravity some bugs get tougher
If you go to Pluto then come back you will lose a lot of weight.
There aren't many cons for gravity but there are for zero gravity. The disadvantages of zero gravity include bone loss, which is one of the most serious side effects of long-term weightlessness. With no gravity pooling blood and other fluids in the lower parts of your body, fluids redistribute throughout your anatomy. The brain interprets this as a high fluid level and causes you to excrete more fluids. This can easily lead to dehydration, a constant concern for astronauts.
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