Across
- 1. Name of a constant, ~70km/s/Mpc
- 3. The majority of these are located in the main sequence
- 5. Force that contracts stars
- 6. The last name of the person who advanced interpretation of stellar spectra
- 7. This type of energy is the force that expands stars
- 11. The type of meteorite that displays Widmanstatten structure
- 13. This is how new atomic nuclei are built
Down
- 1. The most common fuel for fusion in a star
- 2. Meteorite made of mostly silicate minerals
- 4. Sometimes called a “falling star”
- 6. Two different isotopes have the same number of this subatomic particle
- 8. Hot gas can create this texture on meteorites
- 9. Type of nucleosynthesis associated with the Big Bang
- 10. The universe is expanding, so we observe this
- 12. The evolution and life of a star depends on this