4 ms·
They've sent several of these out already (one orbits the sun, one is on Earth, another orbits Earth, and this is on the moon) and plan to send on the order of
by mratzloff 7y ago
They've sent several of these out already (one orbits the sun, one is on Earth, another orbits Earth, and this is on the moon) and plan to send on the order of one thousand.