UNIVERSE
COMETS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Why do you think the comet’s tail always points away from the Sun?
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Because the ion and sodium tails are made from solar wind
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Because it’s darker so we can see the tail
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Because the tail tells us the direction it’s going
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None of the above
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Explanation:
Detailed explanation-1: -Comet tails will always point away from the sun because of the radiation pressure of sunlight. The force from sunlight on the small dust particles pushing them away from the sun is greater than the force of gravity acting in the direction toward the sun.
Detailed explanation-2: -Comet tails are produced through interaction with either the solar wind or photons of sunlight. This means that they always point away from the direction of the Sun and hence, after perihelion, they lead the comet in its orbit.
Detailed explanation-3: -Solar wind pushes the vapor in a direction away from the Sun to form the comet’s tail. For this reason, comet tails generally point away from the Sun.
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