EM Spectrum & Astronomy

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Across
  1. 5. Used in space to learn about galaxies and stars that are behind clouds of dust.
  2. 6. Astronomers can learn what the star is made of, as well as its structure and motion from analyzing these types of waves.
  3. 7. States that the universe began as a small point that expanded rapidly about 13.5 billion years ago.
  4. 8. Newly formed stars emit a lot of these; we can also learn about the structure and evolution of galaxies
Down
  1. 1. These are emitted from any explosion like a supernova; they are used to learn about how fast the universe is expanding
  2. 2. used by astronomers to map the dust between stars.
  3. 3. Black holes emit (release) these; they allow astronomers to understand the structure and evolution of the universe.
  4. 4. We can see thecolors of the stars, which gives us a clue to their temperature, size, and age.
  5. 8. ALL the space and matter it contains.