/u/pr-mth-s's posts

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The Solar System's is ~16 galactic years old. During that whole time how close has it gotten to another star?

197 upvotes • r/askscience

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today Sunday NYT top fold front page climate story

74 upvotes • r/climateskeptics

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What is the total mass of the high-energy particles that hit the earth?

1 upvotes • r/askscience

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Andromeda is close and some of its stars are blue-shifted. My question: is there a little further away, a spiral galaxy where the relative motion of its spiral rotation that causes this exactly canceled out by the expansion of the universe?

0 upvotes • r/askscience

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stupid question: is the mass of a hydrogen atom problematic?

0 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
The Solar System's is ~16 galactic years old. During that whole time how close has it gotten to another star?	197	askscience
today Sunday NYT top fold front page climate story	74	climateskeptics
What is the total mass of the high-energy particles that hit the earth?	1	askscience
Andromeda is close and some of its stars are blue-shifted. My question: is there a little further away, a spiral galaxy where the relative motion of its spiral rotation that causes this exactly canceled out by the expansion of the universe?	0	askscience
stupid question: is the mass of a hydrogen atom problematic?	0	askscience