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

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Does traveling above any given body’s escape velocity mean that you cannot enter into an orbit with that body?

4 upvotes

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If every single particle in the universe suddenly switched to its anti-particle, would we have any way of knowing?

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According to the Wikipedia article on accretion discs, the accretion process can convert 10-40% of an object’s mass into energy. How does this happen exactly?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Does traveling above any given body’s escape velocity mean that you cannot enter into an orbit with that body?	4
If every single particle in the universe suddenly switched to its anti-particle, would we have any way of knowing?	1
According to the Wikipedia article on accretion discs, the accretion process can convert 10-40% of an object’s mass into energy. How does this happen exactly?	1