Solar eclipse: Everything you need to know
16 August 2017 Last updated at 07:53 BST
On Monday 21 August, millions of people will be able to witness one of the most amazing space events that can be seen from the Earth.
Across the US, lucky space watchers will be treated to an incredible total solar eclipse.
The last time the US witnessed an eclipse like this was in 1979, so everybody is understandably pretty excited!
This one is being called the Great American Eclipse 2017.