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A pulsar.
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What is Rigel's period of rotation?
Rigel's period of rotation is estimated to be about 9 hours, based on observations of its surface features and activity. This rapid rotation contributes to its oblate shape and the strong winds in its atmosphere.
What would happen to the altitude of star b as the night progresses?
As the night progresses, the altitude of star B will rise in the sky due to the Earth's rotation. The star will appear to move along a curved path called the arc of a circle because of the Earth's rotation on its axis. This apparent motion is from east to west as seen by observers on Earth.
True or false rotation implies orbital motion of a planet about a star for astronomers?
True. Rotation refers to the spinning motion of a planet around its own axis, while orbital motion refers to the planet's movement around its star. Both types of motion are important to understand when studying celestial bodies in astronomy.
How do the rotation and revolution of the Earth affect the appearance of stars and other objects in the sky?
stars seams to rotate around the northern star
What is meant by a star's altitude?
A star's altitude is the angle measured vertically from the horizon to the star's position in the sky. It indicates how high or low the star appears in the sky from a specific location on Earth. The altitude of a star changes as it progresses across the sky due to Earth's rotation.
The rotation of a neutron star closely resembles what?
The original rotation of the original star
What is the degree of rotation of a star?
the degree of a rotaiton of a star is 37 degrees
What happens to the rotation of a molecular cloud as it collapses to form a star?
The rotation of a molecular cloud tends to increase as it collapses to form a star due to the conservation of angular momentum. This rotation can lead to the formation of a protostellar disk around the young star, influencing the subsequent evolution of the star and potentially contributing to the formation of planetary systems.
What is the nothern star?
The Northern Star is also known as Polaris. This is the star that the Earth's axis of rotation approximately points to.
Why doesnt the north star changes positions?
The North Star is close to the north pole of the sky - one of the centers of rotation - of the apparent rotation of the sky around us (the other is the south pole).
What processes caused the formation of a disk around a young star?
Rotation
What force help star begin to form?
nuclear force or rotation
Name the stationary star?
There is no stationary star anywhere in the universe.
What is the order of rotation of a 5 point star?
The order of rotation of a 5-point star, also known as a pentagram, is 5. This means that the star can be rotated at angles of ( \frac{360^\circ}{5} = 72^\circ ) and still look the same. Each of these rotations aligns the star with a different point, demonstrating its symmetrical properties.
Spectrographs help astronomers determine a star's what?
The star's chemical composition; the star's rotation; pulsations of the star; planets or other invisible objects moving around the star; how quickly the star is moving towards us or away from us.
What information can astronomers obtain by studying the spectra from stars?
They can obtain information about what elements are in the star; about the star's temperature; about whether the star is moving towards us or away from us; and partial information about the star's rotation.
What is the angle of rotation of a star?
Short answer: 72 degrees Longer answer: To rotate a star until it looks the same you need to make 1/5 of a complete 360 degree turn (since a star has 5 points). Sice 1/5 X 360 = 72, the answer is 72 degree angle rotation.
