4 ms·
> and eventually all the laser's energy will go to speeding up the ship. Half to the ship, and half to the Earth in the other direction, right?
by robotresearcher 5y ago
> and eventually all the laser's energy will go to speeding up the ship.
Half to the ship, and half to the Earth in the other direction, right?
- cousin_it 5y agoOh. Of course you're right.
- deleted 5y ago[deleted]