Some lucky fourth graders in Montana today got to name the GRAIL A and GRAIL B probes which are orbiting the moon. The twin probes will measure the moon’s gravitational field.

Some lucky fourth graders in Montana today got to name the GRAIL A and GRAIL B probes which are orbiting the moon. The twin probes will measure the moon’s gravitational field.

(Source: thisisandres)

thisisandres
1 month ago