>once it's cleared out most of the Earth's gravitational pull There's about ...

		schiffern on April 23, 2013 \| parent \| context \| favorite \| on: SpaceX Grasshopper Flies High >once it's cleared out most of the Earth's gravitational pull There's about 90% as much gravity at the altitude of the ISS. It's the atmosphere (and associated gravity drag), not the 1/r^2 scaling, that does it.

True! Really common misconception and yet I fell for it, thanks.