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The average distance from the Earth to the Moon is 384,400 km retroreflectors have been placed on the moon and used to measure the distance by timing a pulse of light. the round trip time is about 2.5 seconds so a one way trip takes light about 1.25 seconds

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How big can the eye of Jupiter's hurricane be?

I think it's 3 times the size of The Earth.


Why do we call Earth 'the blue marble'?

Earth as a Blue Marble relates to a picture taken on December 7, 1972, by the crew of the Apollo 17 spacecraft at a distance of about 45,000 kilometres (28,000 mi). The crew had their back to the sun so the Earth was fully illuminated. Similar pictures have been taken since that time. The phrase is used and popularized in Carl Sagan's documentary/science series "Cosmos" to represent the beauty and smallness of our planet in relation to the Universe.


What does night on Earth look like from space?

Images from space of Earth have been taken by NASA. When dark, Earth tends to be lit up. Natural and artificial gasses on Earth make it lit up at night. It can often seem like the stars, which we see in the sky at night are on Earth instead.


Something that has landed on Earth?

Meteorites are rocks from space that have landed on Earth's surface. They come from asteroids or comets and survive the journey through our atmosphere to reach the ground. Scientists study these celestial visitors to learn more about the composition of our solar system.


CFC's cause a reduction in the?

ozone layer in the Earth's stratosphere. This reduction allows more ultraviolet radiation to reach the Earth's surface, which can lead to an increase in skin cancer rates and harm to marine ecosystems. Efforts to reduce CFC emissions have been successful in slowing down the depletion of the ozone layer.

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Google Earth is made of pictures taken from satellites. If your house is new or has been renovated, the satellites may not have taken a picture of it yet.


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as long as the earth's been round!


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Is there earth life on mars or other planets?

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