Earth and Space Science Vocabulary

Edit Answers
123456789101112131415161718192021222324
Across
  1. 1. the brightness of a star as seen from Earth
  2. 5. a dark area on the surface of the Sun that is cooler than surrounding areas
  3. 7. a dense object with a gravitational pull so strong that nothing escapes it
  4. 12. the explosive death of a massive star
  5. 14. the portion of a nebula that remains after the formation of a protostar
  6. 17. the average distance between the Earth and the Sun
  7. 18. a collapsed star near the end of its life cycle
  8. 20. the outer layer of the Sun’s atmosphere
  9. 21. the outermost layer of the Sun’s interior where energy is transferred outward by convection
  10. 22. the apparent motion of a close object when viewed against distant background objects
  11. 23. a massive explosion from which the universe originated about 13.7 billion years ago
  12. 24. the actual brightness of a star, regardless of distance from Earth
Down
  1. 2. the layer of the Sun surrounding the core where energy is transferred by radiation
  2. 3. a stream of electrically charged particles that flows outward from the Sun’s corona in all direction
  3. 4. a cloud of interstellar gas and dust
  4. 6. the lowest layer of the Sun’s atmosphere; it gives off
  5. 8. the process of atoms combining to form denser atoms
  6. 9. a small planet-like object that can combine with others to form planets
  7. 10. an instrument used to measure the light waves given off by stars
  8. 11. the distance light travels in one year
  9. 13. an early stage in star formation before nuclear reactions take place
  10. 15. the core of a collapsed supernova
  11. 16. an eruption of material from the surface of the Sun that forms a loop due to the Sun’s magnetic field
  12. 19. a sudden eruption of energy from a small area of the Sun's surface
  13. 21. the middle layer of the Sun’s atmosphere