How far does the sun’s corona extend into space? A) 2,000 kilometers
B) 4,600 kilometers
C) 1.5 million kilometers
D) millions of kilometers

D) millions of kilometers

Explanation:

The sun's corona extends million of kilometers into space from the sun outward.

The corona of the sun is one of the layers of the sun with blistering plasma extending into the space. It extends several million of kilometers away into the solar system. This layer has a whooping temperature of about 2-5million degree Celsius.  

It is the light and energy conveyed through the corona that furnishes all the planets with radiant energy.

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a and c are the answeres