When you combine the dynamic objects in our solar system with the distant bodies of the universe, you get award-winning photos.
Each year, the Royal Museums Greenwich holds its "Insight Astronomy Photographer of the Year" contest. The winning photos are showcased in an exhibit at the Royal Observatory Greenwich for all to enjoy.
This year's batch of winners were spectacular.
"The quality of this year's field of over 2,700 images from across the globe meant that there was some lively debate over the judging," said BBC Sky and Night Magazine Editor Chris Bramley, one of the judges. "Each and every category contained images of a jaw-dropping standard."
Check them out: