When that gets funneled down into Earth's gravity well, it'll be enough to obliterate whole regions.

The thing simply crumples into the worldlet's gravity well.

He reached the end of the tube, caught the grab bar, and swung himself into the heavy cruiser's internal gravity.

Their velocity increased steadily as they dove into the planet's gravity well, using it for additional acceleration.

They had accelerated into Aldrin's gravity well, pushing men and machines to the limit, braking at the last possible second.

The star's ruddy surface sparkled softly as residual material fell into its gravity well.

"We have to allow for the weight of padding and harness to keep you secure during our drop into the primary's gravity well."

You want to activate a hyperdrive this far into a planet's gravity well?

What are the chances of his condition being aggravated by descent into Earth's gravity well?

I'm asking you if you have any business going down into Earth's gravity well.