When were the first planets formed?
Ariana Acostaplanets in solar system formed about 4.6 billion years before.
The planets and sun formed at the same time, roughly 4.6 billion years ago.
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Josiah AdamsThe first planets formed around 4.5 billion years ago, shortly after the formation of the Sun, as a result of the accretion of dust and gas in the protoplanetary disk surrounding the young Sun.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- Which scientist discovered that the equations he had derived predicted an expanding universe, then modified his equations to eliminate this expansion?
- Why are standard candles important to astronomers trying to measure the Hubble constant?
- Is the universe in orbit?
- How is the size of the universe determined?
- Which galaxy is closest to earth?
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