What gave us close up views of the gas giants and showed us their moons?
The telescope, of course!
Galileo made two of the first telescopic discoveries:
The large moons of Jupiter are still referred to as the "Galilean moons" collectively.
The surface of our own Moon is uneven, with a distinct line separating its bright and dark regions when observed from Earth.
Subsequently, the use of the telescope confirmed Neptune's existence and revealed Uranus to be a planet.
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The Voyager spacecraft provided close-up views of the gas giants (Jupiter, Saturn, Uranus, and Neptune) and their moons.
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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.
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