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How can you use sunspots to tell that the sun is rotating on its axis?
Sunspots can be used to determine the rotation period of the Sun because they appear to move across the Sun's surface as it rotates. By tracking the motion of sunspots over time, scientists can calculate the rotation period of the Sun. This information helps confirm that the Sun is indeed rotating on its axis.
Why do sunspots move across the face of the sun?
Sunspots appear to move across the face of the sun due to the differential rotation of the sun's surface. The sun's equator rotates faster than its poles, causing sunspots to move in what appears to be an east-west motion. This differential rotation is due to the sun being a gaseous body, with different layers rotating at different speeds.
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.
What evidence is there that the sun rotates?
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).
How can sun - pots help to determine the period of rotation of the sun?
Because sun spots appear to move across the surface due to the sun's rotation. Observe the sun by projecting its image onto a piece of paper through binoculars or a small telescope. (Never look directly at the sun of course with or without binoculars or telescope unless you want to immediately go permanently blind!) Observe over a few weeks day by day and note the time when a sun spot just appears at the edge of the sun. Track this spot day by day and note the day when it reaches the other side and disappears. It will therefore have appeared to travel over half the sun's surface (the half we can see) because of the sun's rotation. If you double this figure (to take into account the apparent journey across the surface of the sun that we cannot see) then this figure will be the time for the sun's rotation.
How can you use sunspots to tell that the sun is rotating on its axis?
Sunspots can be used to determine the rotation period of the Sun because they appear to move across the Sun's surface as it rotates. By tracking the motion of sunspots over time, scientists can calculate the rotation period of the Sun. This information helps confirm that the Sun is indeed rotating on its axis.
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.
How the sun moves when the sunspots move from WEST TO EAST?
By the Sun's rotation.
Idenitify two conclusions Galileo drew from his observation of sun spot dark spot on the sun?
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.
Why do sunspots move across the face of the sun?
Sunspots appear to move across the face of the sun due to the differential rotation of the sun's surface. The sun's equator rotates faster than its poles, causing sunspots to move in what appears to be an east-west motion. This differential rotation is due to the sun being a gaseous body, with different layers rotating at different speeds.
Can you determine the rotational axis of the sun by the movement of its sunspots?
Yes.Yes.Yes.Yes.
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.
What evidence is there that the sun rotates?
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).
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.
Why would you expect there to be more uncertainty in the heliographic coordinates of sun spots near the edge of the sun?
Sunspots near the edge of the sun appear foreshortened due to perspective effects, making it difficult to accurately determine their positions. This leads to more uncertainty in their heliographic coordinates compared to sunspots at the center of the solar disk. Additionally, factors like limb darkening and varying rotation rates of the sun can further contribute to the uncertainty in determining the precise locations of sunspots near the edge.
What did scientists learn about the sun's rotation by studying the sunspots?
this is easy ... i learned it in science class..... OK......they watched the sun and discovered that new sunspots where appearing and they also notices the same ones came back every bit. ;)
How can sun - pots help to determine the period of rotation of the sun?
Because sun spots appear to move across the surface due to the sun's rotation. Observe the sun by projecting its image onto a piece of paper through binoculars or a small telescope. (Never look directly at the sun of course with or without binoculars or telescope unless you want to immediately go permanently blind!) Observe over a few weeks day by day and note the time when a sun spot just appears at the edge of the sun. Track this spot day by day and note the day when it reaches the other side and disappears. It will therefore have appeared to travel over half the sun's surface (the half we can see) because of the sun's rotation. If you double this figure (to take into account the apparent journey across the surface of the sun that we cannot see) then this figure will be the time for the sun's rotation.
