Up, up and away! Nasa's super soaring space balloon
26 April 2017 Last updated at 13:37 BST
Check out Nasa's latest soaring space satellite!
This mega balloon - the size of a football stadium - was launched in New Zealand.
Its job is to study tiny particles that come from deep space and end up floating around Earth's atmosphere.
It'll float around our planet for 100 days reporting data back to scientists on the ground.
Watch our video to find out more