/u/rwall0105's posts in /r/askscience

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Are there any visual (not radio) telescopes in existence or in development, that would be able to see either voyager spacecraft?

1318 upvotes

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Do the control surfaces on long distance flights have to be trimmed slightly downwards to compensate for the curvature of the earth?

17 upvotes

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You are freewheeling a bike down a tarred hill. If you gently weave from side to side will it increase your velocity at the bottom due to travelling downhill a longer distance?

4 upvotes

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Are radio telescopes tuned to a certain frequency or do they pick up everything and filter out the unwanted parts of the spectrum?

1 upvotes

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What is the most recent major mathematical discovery or development that is taught in schools?

1 upvotes

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In carbonated water and other fizzy drinks, why do the bubbles appear from specific points?

1 upvotes

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Can divergent evolution happen within one community, i.e. two different successful mutations?

1 upvotes

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What would the universe look like from the perspective of a beam of light?

1 upvotes

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If a ship, say, the size of the ISS, entered the solar system, and lowered its solar orbit towards earth, how soon would we be able to detect it?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Are there any visual (not radio) telescopes in existence or in development, that would be able to see either voyager spacecraft?	1318
Do the control surfaces on long distance flights have to be trimmed slightly downwards to compensate for the curvature of the earth?	17
You are freewheeling a bike down a tarred hill. If you gently weave from side to side will it increase your velocity at the bottom due to travelling downhill a longer distance?	4
Are radio telescopes tuned to a certain frequency or do they pick up everything and filter out the unwanted parts of the spectrum?	1
What is the most recent major mathematical discovery or development that is taught in schools?	1
In carbonated water and other fizzy drinks, why do the bubbles appear from specific points?	1
Can divergent evolution happen within one community, i.e. two different successful mutations?	1
What would the universe look like from the perspective of a beam of light?	1
If a ship, say, the size of the ISS, entered the solar system, and lowered its solar orbit towards earth, how soon would we be able to detect it?	1