/u/Namoor3's posts in /r/askscience

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If a star is moving closer to earth, then it’s doppler shift is blue and the wavelength we observe is shorter than its initial - when a star moves further, the doppler shift is red. Does this mean the stars that are a bright light static from our point of view?

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Why is it that Earth, from afar, can be seen glowing?

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What would happen if someone were to dump their head in extremely radioactive water to end their lives? How long would it take, and how painful would the process be?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If a star is moving closer to earth, then it’s doppler shift is blue and the wavelength we observe is shorter than its initial - when a star moves further, the doppler shift is red. Does this mean the stars that are a bright light static from our point of view?	1
Why is it that Earth, from afar, can be seen glowing?	1
What would happen if someone were to dump their head in extremely radioactive water to end their lives? How long would it take, and how painful would the process be?	1