UNIVERSE
METEORITES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False-The dust tail is the LEAST prominent part of a comet to the unaided eye.
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Either A or B
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None of the above
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Detailed explanation-1: -The tail of dust is left behind in the comet’s orbit in such a manner that it often forms a curved tail called the antitail, only when it seems that it is directed towards the Sun.
Detailed explanation-2: -Comets develop tails as they approach perihelion-the place in their orbits when they are closest to the Sun. The Sun’s heat vaporizes some of the comet’s material, releasing dust particles that were trapped in the ice.
Detailed explanation-3: -Alternatively known as the ‘ion tail’ or ‘plasma tail’, the gas tail of a comet generally starts to form somewhere around the orbit of Mars. Here, the Sun begins to heat the nucleus of the comet releasing gas and dust into a temporary atmosphere called the coma.
Detailed explanation-4: -A Comet Has Two Types of Tail One is a plasma trail, which draws a straight line like a broomstick. The other is a dust tail, which opens like the bristles on a broom. The plasma tail comprises electrons and ions that are ionized by the sun’s ultraviolet radiation. The dust tail consists of micrometer-scale particles.