![](https://i.kinja-img.com/image/upload/c_fit,q_80,w_636/791eeca38c86a37f8fd77bc279c2ea04.jpg)
NASA’s diligent lunar orbiter transmitted a laser beam to a dome-shaped aluminum device the size of a billiard ball on India’s Vikram lander, pinging its location on the Moon. This laser-enabled technique could one day help NASA astronauts find their way on the lunar surface.