3 ms·
In addition to nradov's point: double your speed, quadruple the blast energy of collisions along the way. Interstellar space (in galaxies) is not as empty as we
by tuatoru 1y ago
In addition to nradov's point: double your speed, quadruple the blast energy of collisions along the way. Interstellar space (in galaxies) is not as empty as we could wish.
And the relativistic mass equation imposes a very lower upper bound. Light is slow.