Stars Vocab

Edit Answers
12345678
Across
  1. 2. A contracting cloud of gas and dust; the earliest stage of a star's life
  2. 3. A ball of hot gas, primarily hydrogen and helium, that undergoes nuclear fusion.
  3. 4. A very large star of high luminosity and low surface temperature. Red giants are thought to be in a late stage of evolution when no hydrogen remains in the core to fuel nuclear fusion.
  4. 6. A diagonal area on an H-R diagram that includes more than 90 percent of all stars
  5. 8. The blue-white hot core of a star that is left behind after its outer layers have expanded and drifted out into space
Down
  1. 1. The brightness of a star as seen from Earth
  2. 4. -Red-Large Mass-Large Surface Area-Large Luminosity-Low Surface Temperature
  3. 5. A large cloud of dust and gas in space
  4. 7. How bright a star really is