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2 years ago

6

In the early 1600's, Galileo used a telescope to investigate dark features on the Sun's surface and used them to calculate the r

ate of the sun's rotation. What areas of relatively cool gas were Galileo observing?
prominences
solar flares
photospheres
sunpsots

1 answer:

KatRina [158]2 years ago

4 0

Answer:

I think its "sunspots"

Explanation:

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