Question

what is cosmic dust...??​

Answer 1

Explanation:

Cosmic dust, also called extraterrestrial dust or space dust, is dust which exists in outer space, or has fallen on Earth. Most cosmic dust particles measure between a few molecules and 0.1 mm (100 micrometers). Larger particles are called meteoroids. ... In the Solar System, interplanetary dust causes the zodiacal light.

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Answer 2

Answer:

Cosmic dust is made of various elements, such as carbon, oxygen, iron and other atoms heavier than hydrogen and helium. It is the stuff of which planets and people are made, and it is essential for star formation.

Explanation:

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