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How important is recording observations in Astronomy?
In the doppler effect, what is the correct term for the change in the color of light when an object that is emitting light is moving toward the observer?
Which is largest and most massive star?
How long is a year on saturn?
Who were the ancient indian astronomers?
What are black holes? Do they exist in reality?
How big is the universe?
Explain how can space expand faster than the speed of light?
Sam langley invented what instrument, which allows astronomers to measure the energy output of the sun and other stars?
How long is a day on saturn?
Which is the only star of the milky way galaxy?
How was the moon formed?
These doughnut shaped zones of atomic particles consists of electrons and protons captured by the earths magnetic field from the solar winds and are called?
What are the scientific names for the two regions of a sunspot?
The apparent speed of the sun along the ecliptic is known as?
