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Re:Oumuamua may be a hydrogen iceberg by monadic2 on Thursday June 04, 2020 @03:31AM (#23413708)
It can if it loses mass, correct? Energy conservation would result in increased momentum.
Re:Oumuamua may be a hydrogen iceberg by fennecfoxen on Thursday June 04, 2020 @08:29AM (#23415703)
Yes. Your mass in low Sol orbit has a much higher specific orbital energy, so thrusting a rocket or ejecting mass while at or near perihelion makes more of a difference than doing so in deep space.