Space is hard.
We were reminded of that yesterday when SpaceX tried to land a Falcon 9 rocket on a barge in the Pacific.
If you remember, SpaceX made history when another Falcon 9 successfully launched a satellite into orbit and then navigated back down to Earth, landing safely on solid ground.
SpaceX had tried once before to land a rocket on a platform in the ocean but that failed pretty spectacularly.
On Sunday, the Falcon 9 delivered a satellite into orbit and it came super close to sticking the landing on water. Here's video:
SpaceX CEO Elon Musk explained what happened and added a bit of humor: