Launching rockets into space isn't an easy endeavor.
Previously SpaceX has only been able to recover the first stage of its Falcon 9 rocket which contains the engine that provides the initial thrust needed to lift the rocket.
In a two-year survey of the solar neighborhood, TESS will monitor more than 200,000 stars for temporary drops in brightness caused by planetary transits.
From anyone else, it would sound ridiculous: Elon Musk says SpaceX is going to try to land a rocket stage with ... wait for it ... a "giant party balloon". Pictured: Falcon 9 rocket from SpaceX CRS-14 Mission. As for Musk's comments about landing rocket parts on a bouncy house, it's possible that he is just making a joke, but a floating barge with soft surface is not out of the realm of possibility.
Tesla Is Temporarily Shutting Down Model 3 Production. Again.
"This is gonna sound insane, but..."
A balloon would aid in slowing down the upper stage from orbital velocity as it re-enters Earth's atmosphere, by reducing the second stage's ballistic coefficient.
SpaceX has gained popularity thanks to its technology returning upper stages for unmanned platforms in the ocean and their re-use. "Need to retarget closer to shore & position catcher ship like Mr Steven".
In any case, if Musk and SpaceX do follow through with this plan, we're certain it will be glorious to watch. If his company can land two first stages of Falcon Heavy in ideal sync, this might also be accomplished, no matter how weird or insane it may sound.