Space/Science — HabitableZone

Space/Science » in reply to Trans-Galactic Flight

Of course, everyone is hypothesizing that...

...the shape of galaxies, and individual star paths can be explained by normal gravity and orbital mechanics. Since astronomers can't find enough visible mass to make this work, and haven't reasonably hypothesized enough dark matter to make it work, it is hard to prove anyone has made a math error.

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