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He looked at the sun and observed dark blemishes on its surface, which are now called sunspots. From the movement of these, he was able to determine that the sun has a rotation period of about one month.

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Q: Idenitify two conclusions Galileo drew from his observation of sun spot dark spot on the sun?
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Identify two conclusions Galileo drew from his observation of sun spots (dark spots) on the sun.?

Galileo looked at the sun and observed dark blemishes on its surface (which are now called sunspots). From the movement of these blemishes, he was able to determine that the sun has a rotation period of about one month.


What did galileo base his theory of the moon's surface on?

well hahhahahahah he umm i dont know im only 9


Was Galileo in the dark ages?

Galileo Galilei was born on 15 February 1564, about 500 or 550 years after the Dark Ages ended.


Galileo called the dark flat parts on the moon what?

Dark plains


How is spirochete activity seen?

observation with dark-field microscopy .


How did Galileo infer that the moon has highlands?

by looking at the the dark areas thruogh a telescope


Assuming that it will rain when the sky is cloudy and dark is an example of a(n)?

observation


What is a sentence using the word observation?

Annie was making an observation about beautiful stars in the dark pitched sky. The astronomer was making an observation of one of those stars. The accident victim had no apparent serious injuries, but was placed under observation.


What did Galileo call the dark flat parts of the moon?

He thought they were seas. He called them maria (Latin for sea). Today scientists still call the dark, flat parts maria. Marias were formed when magma flowed through the surface of the moon. The magma cooled and became flat and dark.


What are some of the observation that have been made of the moon?

that there are dark flat creators on the regions of moons surface.


What is the dark area on the sunspot?

It was Galileo who first studied the dark spots found in the Sun which are now referred to as sunspots. It is believed that the intense magnetic fields surrounding the sun cause the appearance of sunspots.


What are the two observation that Galileo made?

Galileo looked at the sun and observed dark blemishes on its surface (which are now called sunspots). From the movement of these blemishes, he was able to determine that the sun has a rotation period of about one month.