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

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I've heard that if aliens were real and looked at us through a telescope.we would be many years in the past due to light.if this is true, how far away would you have to be for this to be apparent?

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I've heard that if aliens were real and looked at us through a telescope.we would be many years in the past due to light.if this is true, how far away would you have to be for this to be apparent?

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How large would an object need to be before it has a noticeable gravitational pull on earth?

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Due to time dialation the faster you go, the more time slows, so is light speed actually as fast as they say it is or does it actually travel at a slower rate but appears to be faster?

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What's the scientific principle around that if it rains while the sun is shining, it will rain again tomorrow around a similar time?

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If you were yelling at a person across from a fast moving column of air with little noise actually made from the wind, is there a certain speed the air can travel to where the sound cant travel from you to the other person?

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Are humans capable of making any noise not Audible by humans but audible to other animals or machines?

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On average, how many fish and other marine life are killed by lightning strikes in the ocean?

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You always hear people say "I'm not heating the outdoors" when you let heat out. Is there theoretically a large enough heater that it can actually make a substantial change in temperature?

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Is it at all possible to live in Antarctica for extended periods of time if you can bring things with you? Like a solar cooker for food.

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I've heard that if aliens were real and looked at us through a telescope.we would be many years in the past due to light.if this is true, how far away would you have to be for this to be apparent?	1
I've heard that if aliens were real and looked at us through a telescope.we would be many years in the past due to light.if this is true, how far away would you have to be for this to be apparent?	1
How large would an object need to be before it has a noticeable gravitational pull on earth?	1
Due to time dialation the faster you go, the more time slows, so is light speed actually as fast as they say it is or does it actually travel at a slower rate but appears to be faster?	1
What's the scientific principle around that if it rains while the sun is shining, it will rain again tomorrow around a similar time?	1
If you were yelling at a person across from a fast moving column of air with little noise actually made from the wind, is there a certain speed the air can travel to where the sound cant travel from you to the other person?	1
Are humans capable of making any noise not Audible by humans but audible to other animals or machines?	1
On average, how many fish and other marine life are killed by lightning strikes in the ocean?	1
You always hear people say "I'm not heating the outdoors" when you let heat out. Is there theoretically a large enough heater that it can actually make a substantial change in temperature?	1
Is it at all possible to live in Antarctica for extended periods of time if you can bring things with you? Like a solar cooker for food.	1