So why is Katy Perry in Zero-G if they were only on a 107km high journey at sub-orbital speeds?So why is Katy Perry in Zero-G if they were only on a 107km high journey at sub-orbital speeds?
Great question—and this cuts right into the true nature of weightlessness.Katy Perry and the NS-31 crew experienced real zero-G, but not because they left Earth’s gravity—they didn’t. Gravity is still