| The cyclical nature of our weather changes point to the variables in our solar system and even galactic variations. |
| Arp's evidence for galaxy formation by ejection of quasars from the centres of active galactic nuclei is extremely compelling. |
| The Earth sits in a stream of accelerated particles coming in from the Sun, interstellar material, and galactic sources. |
| He thus moved the universe from a Copernican Sun-centered system to a Sun located far from the galactic center in one of the spiral arms. |
| But suppose that as time goes on, all the black holes in a given galaxy eventually fall into a central black hole at the galactic center. |
| Our bodies are made from interstellar dust which is the remains of ancient dead stars, cosmic debris and galactic particles. |
