The crowning trophies of gravitational astronomy in the r8th century were Laplace's explanations of the " great inequality ".
The problems of gravitational astronomy engaged the chief part of Hansen's attention.
I'm already in a state of extreme gravitational collapse!
Similarly there will be a size above which gravitational attraction to the comet exceeds the gas pressure trying to detach the grains.
However little is known of the molecular mechanisms and neuronal circuitry underlying gravitational responses.
