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How do we know the sun's orbit, through the galaxy?
Scientists have been able to track the sun's orbit through observations and measurements over thousands of years. Astronomers use tools such as telescopes, satellites, and spacecraft to study the sun's movements in relation to other celestial bodies.
There is abundant evidence for the sun's orbit, including ancient astronomical records, modern-day observations, and mathematical calculations. The laws of gravity and motion developed by Isaac Newton also support the concept of the sun orbiting around the center of the Milky Way galaxy.
The sun takes about 225-250 million years to complete one orbit around the center of the Milky Way galaxy. This is known as a galactic year and is based on the movement of stars and gas within the galaxy.
Yes, we can observe the sun's orbit from Earth through various methods. One way is by tracking the positions of stars in the sky and noticing their slight movements relative to the sun. We can also use instruments such as radio telescopes to detect the sun's location in the Milky Way galaxy.
By studying the patterns of stars and other celestial bodies, scientists have been able to determine that the sun's orbit is not a perfect circle. It is actually slightly elliptical, meaning that the distance between the sun and the center of the galaxy varies slightly throughout its orbit. This can be observed through changes in the sun's speed and position in the sky.