Space Test 2

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Across
  1. 4. cosmic snowballs of frozen gasses, rock and dust that orbit the Sun
  2. 6. small objects made of rock or metal that orbits the Sun
  3. 8. Planets inside the asteroid belt (terrestrial)
  4. 12. Suitable or good enough to live in/on
  5. 13. translucent material for protection against infrared antennae used on heat-seeking missile trackers
  6. 17. allows us to see without interference of Earth's atmosphere
  7. 18. satellite where multiple countries collaborate to learn more about space
  8. 19. vehicle (manned or unmanned) that can travel with wheels and bring back samples
  9. 21. the purpose of these missions is to create a place where scientist can live for a long time and study on the moon
  10. 22. Planets outside the asteroid belt (gas)
Down
  1. 1. objects in space that have entered a planet’s atmosphere that burn due to traveling at high speeds.
  2. 2. now used in fireproof clothing
  3. 3. Planets made of land (inner planets) Mercury, Venus, Earth, Mars
  4. 5. protect people and spacecraft against radiation, now used in homes
  5. 6. is a unit of measurement for distance used to measure large distances in space. 1 AU is 150 million miles. Earth is 1 AU away from the Sun
  6. 7. Planets made of mostly ice (Uranus and Neptun is arfplanet a smaller spherical object in space, that resembles a small planet but lacks certain technical criteria required to be classified as such.
  7. 9. telescope with mirrors to help gather more light from distant objects
  8. 10. Planets made of gas (outer planets) Jupiter, Saturn,
  9. 11. the perfect distance from the sun so that it is not to hot and not to cold.
  10. 14. a NASA technology originally developed for space communications and to protect people and spacecraft against radiation
  11. 15. originally designed for cushioned pilot seats in spacecraft
  12. 16. satellites transmit signals and information to Earth now used for navigation and phones
  13. 20. Layer of gases surrounding a planet