Crossword - Zak Alvarado - Per. 2 - 10/23/23

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Across
  1. 1. A fundamental system in condensed matter sciences and the main constituent of gas giant planets
  2. 5. A celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such.
  3. 8. A large planet mostly composed of helium and/or hydrogen
  4. 11. A celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun.
  5. 13. The orbital motion of a spatial body in a direction that is opposite of what is normal in a given system
  6. 15. A meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground. More than 90 percent of meteorites are of rock, while the remainder consist wholly or partly of iron and nickel.
  7. 16. Lumps of rock or iron that orbit the sun.
  8. 17. A steep slope or cliff formed by folded or eroded layers of rock.
  9. 18. A region of the solar system beyond the orbit of Neptune, believed to contain many comets, asteroids, and other small bodies made largely of ice.
Down
  1. 2. A small body of matter from outer space that enters the earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light.
  2. 3. The deviation of a planet's orbit from circularity
  3. 4. A closed curve, consisting of all points whose distances from each of two fixed points add up to the same value
  4. 6. A number of meteors that appear to radiate from one point in the sky at a particular date each year, due to the earth's regularly passing through a field of particles at that position in its orbit. Meteor showers are named after the constellation in which the radiant is situated
  5. 7. Any of the five regions of the surface of the Earth that are loosely divided according to prevailing climate and latitude
  6. 9. Earth-like planets made up of rocks or metals with a hard surface
  7. 10. Any of innumerable small bodies of accreted gas and dust thought to have orbited the Sun during the formation of the planets.
  8. 12. The average distance from the Earth to the Sun, approximately 93,000,000 miles
  9. 14. A large-scale linear or curved array of mineral deposits