How Do Satellites Stay up While Orbiting the Earth?
Satellites are any objects that revolve around (orbit) another object in space. Some satellites are natural, while others are artificial (man-made). The moon is an...
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Who Was the First Man to Circle Around the Earth?
Yuri Gagarin (1934-1968), was the first man in space, he circled the Earth for a little more than one orbit on 12 April 1961 in the Soviet Union’s Vostok 1...
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Is the Moon Moving Farther Away from Earth?
Is the Moon Moving Farther Away from Earth? As the Moon travels around Earth, it affects Earth’s rotation. Scientists have determined that the Moon slowly gets...
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When Will Halley’s Comet next Appear?
When Will Halley’s Comet next Appear? Halley’s Comet appeared in 1910, then in 1986 and will next appear in mid-2061, during that most recent visit, five...
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When Is the Earth Nearest the Sun?
When Is the Earth Nearest the Sun? The Earth is nearest to the Sun on about the second or third day in January. The distance varies because the Earth spins round the...
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