4 ms·
"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. astrophy
by wildmanx 5y ago
"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 5y agoNot 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