Titlebook: Astronomy Explained; Gerald North Book 1997 Springer-Verlag London Limited 1997 Accretion.astronomy.cosmology.earth.gravitation.moon.neutr

原諒

Pericarditis

Gravitation,l-scale structure of matter. These forces are strong but operate over very small ranges. The other force is gravitation. In terms of magnitude, gravitation is by far the weakest of these natural forces and yet, because of its range of influence, it has shaped our Universe, on the large scale, into its present form.