It's also _speeding_ away (no info on how many km/s per year faster it is?). It ... | Hacker News

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		eyko on Feb 18, 2015 \| parent \| context \| favorite \| on: Alien star system buzzed the Sun It's also _speeding_ away (no info on how many km/s per year faster it is?). It could've been much slower 70.000 years ago.

mangeletti on Feb 18, 2015 [–]

Since it is moving away from a large body of mass, namely, the day star, it's likely that it has been decelerating over the past 70k years, meaning it would have been moving more quickly when it passed by.

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