3 ms·
How wide is this jet here? Does it cover the entire Milky Way?
by 7373737373 4y ago
How wide is this jet here? Does it cover the entire Milky Way?
- moloch-hai 4y ago8.5 billion light years away, vs. ~100,000 light years across. To cover the whole galaxy, from a point source it would need to spread out just 1 part in 100,000. So, probably. Yes, technically our galaxy is a lot bigger than 100,000 ly, but the part somebody looking out from Andromeda could see isn't.