Why intergalactic travel is impossible?
Levi AlexanderIt is not impossible! It is just impractical.
The practical side is that nobody or any living thing is likely to be the same (or alive) at the destination. It takes a great deal of time to travel a great distance, even relativistically, but that doesn't make it impossible—just frustrating in some ways. Given what we know about physics and space, it IS possible to travel from one galaxy to another.
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Hunter ArthurInter-galactic travel is currently deemed impractical due to the vast distances involved, limitations in propulsion technology, and the enormous time and energy requirements.
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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.
- Solid lithium hydroxide is used in a space vehicles to remove exhaled carbon dioxide from the living environment by forming solid lithium carbonate and liquid water. What mass of gaseous carbon dioxide can be absorbed by 1.00 kg of lithium hydroxide?
- How are we able to retrieve information from satellites and probes orbiting planets other than Earth?
- Why are space images typically black and white?
- Galaxies are millions of light years away and we are able to capture images through cameras in telescopes. Do scientists leave the telescope pointing at space until the galaxies slowly start to appear? Or do they zoom in into space?
- Are the pictures taken by the Hubble Space Telescope edited?
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