GK
SOLAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Asteroid
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Meteor
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Comet
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Meteorite
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Detailed explanation-1: -Comet. Comets are several miles in diameter, composed of rock, ice and other organic compounds, making them “dirty snowballs” in space, according to NASA’s near earth object program. They originate outside the orbit of the outermost planets and form elliptical orbits that pass close to the sun.
Detailed explanation-2: -Cosmic dust – also called extraterrestrial dust, space dust, or star dust – is dust that occurs in outer space or has fallen onto Earth.
Detailed explanation-3: -A comet’s nucleus is likea dirty snowball made of ice. As the comet gets closer to the Sun, some of the ice starts to melt and boil off, along with particles ofdust. These particles and gases make a cloud around the nucleus, called a coma.