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One clue is the movement of sunspots on the surface of the Sun. Observations over several days will show the sunspots moving with the rotation of the Sun. The rotation period of the Sun is between 25 and 34 days (depending on latitude).

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15y ago

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How have astronomers inferred that the sun rotates?

Astronomers have inferred that the Sun rotates by observing the motion of sunspots across its surface. This phenomenon, known as differential rotation, causes different parts of the Sun to move at different speeds, indicating that the Sun rotates. Additionally, observations of the Doppler shifts in the light emitted by different regions of the Sun also provide evidence of its rotation.


How do we know how the Earth rotates around the Sun?

We know that the Earth rotates around the Sun through observations and scientific evidence, such as the changing positions of stars in the sky throughout the year, the varying lengths of days and nights, and the predictable patterns of seasons.


Does sun rotates arpund the sun?

If you mean whether the Sun rotates around an axis: yes, it does.


How do we known the sun rotates?

If sunspots are moving toward east, then sun rotates east


Does the sun rotates at the same rate that Earth rotates?

No.


Why is it that the sun rises when the sun rotates west to east?

The Sun appears to rise and set because the EARTH rotates; the Sun just stays where it is.


How do you now the sun rotates?

We know the Sun rotates because we can observe stationary sun spots moving across its surface.


Does the sun rotate at the same rate that the earth rotates?

No. The earth rotates once in about 24 hours. The sun rotates once in about 32 days.


Does the sun rotates to?

Yes, the sun rotates on its axis. It takes about 27 days for the sun to complete one full rotation.


What does the sun do on its axis?

It rotates.


What is found on the surface that proves the sun rotates?

Scientists were able to prove that the Sun rotates by observing the movement of sun spots over time.


Is it true that the earth rotates?

yes the earth rotates around the sun