SOES1001: THE UNIVERSE 0.0 / 5 ? Allsolar systemUniversityAll boards Created by: Annal22Created on: 18-01-17 14:13 1082369471 Across 1. ...... temperature is the temperature at which isotopes can no longer escape a crystal lattice. (7) 4. A solid body oribiting a star. (6) 7. What was formed 4.5 billion years ago? (5) 9. The isotope used to date Earth. (7) 10. Primordial nucleosynthesis created the first ......... . (8) Down 1. A type of undifferentiated meteorite containing spherical particles. (9) 2. When gravity collapses in a nebula, a .......... is formed. (9) 3. A star, when it runs out of H fuel, explodes into a ........... . (9) 6. The name of the effect of the compression and relaxation of waves with relative motion. (7) 8. The name of a cloud of moving molecules which forms a protostar. (6)
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