Cosmos 4

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Across
  1. 3. Uniform in composition and structure across all spatial regions.
  2. 6. Consisting of diverse, non-uniform structural elements or uneven chemical distributions.
  3. 8. Pertaining to the technique of superimposing electromagnetic waves from multiple telescopes to increase resolution.
  4. 11. Pertaining to the measurement of radiation or determining geological ages via radioactive isotope decay.
  5. 12. Relating to the quantitative measurement of light intensity across specific wavelength bands.
Down
  1. 1. Pertaining to the total radiant energy emitted across the entire electromagnetic spectrum.
  2. 2. Composed of ordinary matter made up of protons, neutrons, and similar subatomic particles.
  3. 4. Exhibiting identical physical properties in all directions throughout space.
  4. 5. Pertaining to techniques used to determine concentrations or identities of substances through light absorption colors.
  5. 7. The abundance of chemical elements heavier than helium present within a star or galaxy.
  6. 9. The nuclear fusion processes that generate new atomic nuclei from preexisting nucleons.
  7. 10. Relating to the precise measurement of stellar positions, distances, and proper motions.