Astronomy · Comets

What primary process occurs to a comet's volatile ices, gas, and dust as it approaches the Sun?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1The dust and gas liquefy and form a smooth, reflective planetary crust
2The gases burn up completely due to atmospheric friction with solar wind
3The ices sublimate into gas, releasing dust to form a surrounding cloud and tail✓
4The ices freeze further into a solid metallic core due to solar pressure

Correct answer

The ices sublimate into gas, releasing dust to form a surrounding cloud and tail

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