Cosmochemistry

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Across
  1. 1. Evidence of the __ is distant galaxies red shift
  2. 4. frequent beta decay process, t=1000's of years
  3. 6. Pure form species of atoms
  4. 7. Undifferentiated stony meteorites
  5. 8. Process of building a new atomic nuclei
  6. 10. proton capture in supernovae process, t=seconds
  7. 11. Occur in matrix of chondrites
  8. 12. Loss of two protons and 2 neutrons
Down
  1. 1. Converts neutron into proton
  2. 2. Building blocks of planets
  3. 3. Type of meteorite rich in iron
  4. 4. Type of meteorite equal parts metal & silicate
  5. 5. Type of meteorite rich in silicate minerals
  6. 9. Gas & dust rich stage of star formation
  7. 13. A single quantity of an element