If you're on the hunt for some of the best free photo editing programs out there, we rounded up 10 of the best.
The asteroid zoomed by Earth at a perfectly safe distance of around 1.8 million miles (2.9 kilometers).
Images show surprise changes to the spacecraft as it interacted with the atmosphere.
And, for once, some of what it can do looks genuinely useful.
GIMP is probably the best one out there if you can deal with the not so friendly user interface.