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All of these are describing which feature? located in north central asiastretches from the atlantic ocean to the red sea borders the sahara desert

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.

From the standpoint of geography,a is an internal rendering of an individual's known world