Chapters 28 and 29 Astronomy Lydia Gleckler

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Across
  1. 3. _____________ is a well-known constellation. The pairs of stars at the end of its bowl point to Polaris, the North Star.
  2. 4. the planets closest to the sun in our solar system
  3. 7. Nearest start to earth mostly made out of hydrogen in the plasma state
  4. 8. cools for eons until it is too cold to emit light. is part of a binary star, it pulls matter from its partner, which can lead to a nuclear blast (nova).
  5. 10. groups of stars that have regularly recognized positions.
Down
  1. 1. the intrinsic brightness, independent of how bright it appears
  2. 2. the brightness as it appears to us
  3. 5. the Sun and planets formed together from a cloud of gas and dust What a star begins as
  4. 6. this person's Geocentric model was known as the Earth centered solar system
  5. 9. this person's heliocentric model was known as the sun centered solar system