Planets are too dim to be detected with existing equipment, far away, except in these very special circumstances where they're seen by their gravitational effect.
Gravitation is, so far, not understandable in terms of other phenomena.
My bottom is so big it's got its own gravitational field.
Gravitational and electromagnetic interactions are long-range interactions, meaning they act on objects no matter how far they are separated from each other.
Things changed with the discovery of neutron stars and black holes - objects with gravitational fields so intense that dramatic space and time-warping effects occur.
The Planck satellite may detect the imprint of the gravitational waves predicted by inflation. This would be quantum gravity written across the sky.
The cyclic universe theory predicts no gravitational waves from the early universe.
Everything great in science and art is simple. What can be less complicated than the greatest discoveries of humanity - gravitation, the compass, the printing press, the steam engine, the electric telegraph?
Gravitational waves will bring us exquisitely accurate maps of black holes - maps of their space-time. Those maps will make it crystal clear whether or not what we're dealing with are black holes as described by general relativity.
The New York Times' was enigmatic: 'Some unimaginable gravitational force is pulling our entire galaxy in the opposite direction.' End of article. If you stop and think about that, we are recreating ourselves.
My present work concerns the problems connected with the theory of elementary particles, the theory of gravitation and cosmology and I shall be glad if I can manage to make some contribution to these important branches of science.
Living animals are too eccentric in their movements, and the law of gravitation usually draws me from my seat upon them to a lower level; therefore, I am not an inveterate lover of horseback.
I have this friend who has a theory that lots of towns have energies. And, for instance, certain places in Alabama have bad ones because they were built on reservations or built on cemeteries or something. But Nashville has a really gravitational, magnetic pull.
Gravitation is the lust of the cosmos.
Wormholes are a gravitational phenomena. Or imaginary gravitational phenomena, as the case may be.
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