There would not have been sufficient gravity or time.

Nilas Martins, in the title role, did not invest every movement with sufficient gravity.

People on the surface would no longer have air to breathe or sufficient gravity to hold them against that surface.

A moment later, the apparatus had adsorbed sufficient gravity to separate its cargo from the planet, to return them to their ether boat, their home.

Despite those difficulties, it is still easier than proving that the expert has made a "mistake" of sufficient gravity to invalidate the decision.

"Nothing within range is large enough to provide sufficient gravity," Tev informed her.

"For it to be a moon, it has to have sufficient internal gravity to assume a circular shape."

The planetoid is spinning and decelerating, and certainly isn't massive enough to provide sufficient gravity.

He had felt from the first that this Captain Greene did not take him and his mission with sufficient gravity.

But the charges were not of sufficient gravity to stop people from voting for Clinton.