Why the Moon has a tail | Play Stuff
Why the Moon has a tail2021|01:09 Scientists have known that the Moon has a tail, like a comet, since the late 1990s, but now they know where it comes from and why it's brighter sometimes than others.According to research published in the Journal of Geophysical Research: Planets by a team of Boston University physicists, the tail is made of millions of sodium atoms that are blasted into orbit by meteoroids hitting the Moon's surface. These are shaped into a tail by photons arriving from the Sun.Earth periodically passes through the tail. When this happens, Earth's gravity focuses the tail in...