Explain how was the moon formed?
Answer / Chitra Gautam
The Moon was likely formed around 4.5 billion years ago as a result of a giant impact event. A Mars-sized object is believed to have collided with Earth, and debris from this collision coalesced to form the Moon.
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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?
What is the effect of gravity at the center of a planet?
Explain how big is the universe?
How many black holes are there?
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Explain how have some stars had time to die since the universe began?
How many moons do mars have?
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How many moons do Jupiter planet have?
How can space expand faster than the speed of light?
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