"If we never ran out of thrust, we could hypothetically reach anywhere in the Un... | Hacker News

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		wildmanx on Aug 10, 2021 \| parent \| context \| favorite \| on: How far could a spaceship go if we never ran out o... "If we never ran out of thrust, we could hypothetically reach anywhere in the Universe that a photon emitted today could reach." versus "I am a Ph.D. astrophysicist" I'm confused. In other words: How is he planning to catch up to a photon?

maweki on Aug 10, 2021 [–]

Not catching up. But reaching the destination. That's limited though, as space expands. And any place is reachable that the photon is able to reach as these parts* are not expanding faster than the speed of light.

* The whole space between start and destination, of course

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