Across
- 2. lanes bands of dust that appears as a dark ribbons against the bright stars in a galaxy
- 4. shaped galaxy a galaxy with a bright center and very little dust or gas
- 6. shaped galaxy a galaxy with bulge in the center and very distinct long arms winding around the center
- 7. large grouping of stars in space
- 10. shaped galaxy galaxy with a central bulge or bar with short arms, if any are present
- 11. mass used in astronomy as a standard unit to compare the size of other stars with our sun
- 14. center rotational center of a huge galaxy such as the milky way galaxy
- 15. the transfer of energy through matter or space as electromagnetic waves
- 16. of light how fast light travel, 300,000km/sec
- 17. model a representation of a object that is accurate in its proportions to and actual object
Down
- 1. large cloud of gas and dust in interstellar space; the location of star formation
- 3. arms areas of stars that spread from the center of a spiral galaxy
- 5. galaxy a galaxy that does not fit into any category; a galaxy with very little symmetry
- 6. the death of a large star by explosion
- 8. hole object with more than four solar masses squeezed into a ball only 10km across whose gravity is so strong that even light can not escape
- 9. way galaxy the huge grouping of stars that rotate around a center of which the sun and the solar system are apart of
- 11. the luminious celestial body around which the earth and other planets revolve; composed mainly of hydrogen and helium
- 12. a self luminous celestial body consisting of a mass of gas held together by its own gravity in which the energy is generated by nuclear reactions in its interior
- 13. all space and the matter space contains