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

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When a scratched surface reflects a light source why do the scratches form a circle around the reflection?

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How would an adult who has never been vaccinated go about getting them?

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If the sun we're to explode would it still take 8 minutes for us to see it on Earth or would we see it sooner as a result of the expanding cloud moving closer to us?

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If the sun we're to explode would it still take 8 minutes for us to see it or would we see it sooner as a result of the expanding cloud moving closer to us?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When a scratched surface reflects a light source why do the scratches form a circle around the reflection?	1
How would an adult who has never been vaccinated go about getting them?	1
If the sun we're to explode would it still take 8 minutes for us to see it on Earth or would we see it sooner as a result of the expanding cloud moving closer to us?	1
If the sun we're to explode would it still take 8 minutes for us to see it or would we see it sooner as a result of the expanding cloud moving closer to us?	1