Astronomy Crossword - Module 12

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Across
  1. 2. (2W)Main sequence stars exhibit stable thermonuclear fusion and are in a balanced state called __.
  2. 4. (2W)A pair of stars together is known as this.
  3. 8. (2W)One of the most studied remains of a massive supernova event.
  4. 9. Betelgeuse is an example of this type of star whose hydrostatic equilibrium has begun to go unstable.
  5. 10. (2W)A method of determining how far away a star is from Earth (if less than 200 parsecs away)
  6. 13. (3W)The full name of the H-R Diagram.
  7. 14. (3W)Astronomers use this to correct the bright ness of a star if the distance between the Earth & that star is known.
  8. 18. (3W)This depends on (1)The luminosity of a star & (2) How far away the star is from Earth.
  9. 21. (2W)Have properties of both shell-like and crab-like remnants, depending on the electromagnetic wavelengths being observed and studied.
  10. 22. (3W)Below the main sequence stars on the H-R Diagram, these hot shrinking stars have depleted their nuclear fuels.
Down
  1. 1. (3W)With the Hubble Space Telescope, we can see objects we cannot see with only our eyes because of the telescope's _.
  2. 3. These have jets of materials streaming out of them at nearly the speed of light.
  3. 5. (2W)Conservation of this by a neutron star ends up creating a pulsar.
  4. 6. (2W)When the position of stars near Earth seems to shift against the more distant stars.
  5. 7. (2W)Processed utilized by all stars which produces light.
  6. 11. The magnetic field of this star can be strong enough to distort the shape of its atoms.
  7. 12. (2W)90% of all the stars in the universe are thought to be this type.
  8. 15. One factor in determining apparent brightness magnitude of a star.
  9. 16. (3W)Nebulae filled with high-energy electrons that are thrown out into space by a pulsar in the middle of the remnant.
  10. 17. This event can have an absolute brightness magnitude as much as an entire galaxy of billions of "normal" stars.
  11. 19. (2W)The internal gravity of these stars creates a situation where they collapse on themselves making them extremely dense.
  12. 20. (2W)Electrons orbiting the nucleus are bound to the atom by this attractive force between the electron & nucleus.