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Geography, 22.06.2019 19:10
One of the brightest comets of the 20th century was comet hyakutake, which passed close to the sun in early 1996. the orbital period of this comet is estimated to be about 30,000 years. find the semi-major axis of this comet’s orbit. compare it to the average sun-pluto distance and to the distance to alpha centauri, the nearest star to the sun, which is 4.3 light-years distant.
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Geography, 23.06.2019 01:00
5. what is a red giant? can our sun become a red giant? why or why not?
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Geography, 24.06.2019 06:30
Which component of a milankovitch cycle is related to periodic ice ages throughout earth’s history?
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Geography, 24.06.2019 07:10
What is most likely the effect of unrestricted hunting of gray wolves on the food web of the region
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