Astronomy and Microscopic Physics

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Across
  1. 3. Much farther out, perhaps a quarter of the way to the next star.
  2. 5. Natural objects glowing as they enter our atmospheres are called 'this.'
  3. 6. Closest to the sun, slow rotation so very hot 427C/800F-(hot enough to melt lead) to -173C/-280F, the smallest planet
  4. 7. One of the Atoms' 3 parts. Massive but small, positive charge.
  5. 9. Probably a mixture of rock and frozen gases. When the orbit of the 'this' is disturbed to bring it closer to the sun, from the Oort cloud perhaps, the ___ warms up and produce a "dust" cloud which is pushed away from the direction of the sun by sunlight.
  6. 11. The planet with the spectacular rings although all giant planets have ring if you look hard enough. 62 known moons as of August 2017 (including the only moon, Titan, in the solar system with an atmosphere, nitrogen like Earth, no oxygen. Coldwater is a mineral!), methane lakes/oceans.
  7. 12. Attract protons and create a nucleus. The "nuclear glue."
  8. 15. 90 million mi/150 million km away from the Earth, 8 light minutes. Radius 400,000 mi/ 666, 000km. Gets its energy by changing Hydrogen into Helium. A total life of 10 billion years in its current phase, 4.6 billion years are gone. The temperature will increase lots over the billions of years, we will have to find somewhere else to live if we are still around.
  9. 16. Between Mars and Jupiter, perhaps millions of objects from grain of sand size up to 600 mi diameter. Rocks and metal lots of room between the asteroids unlike the scene from Star Wars.
  10. 18. The name of our galaxy.
Down
  1. 1. Big, outsiede of the sun most of the maternal in the solar system is in 'this.' Have many moons.
  2. 2. Very close to Earth-size, but really unpleasant! 70times Earth's atmospheric pressure, 447C/870F, sulfuric acid rain, no oxygen, CO2 atmosphere!
  3. 4. Sheets of Carbon atoms with no bond between the sheets to hold them together-very slippery.
  4. 6. My name
  5. 8. My teacher calls himself
  6. 10. A sun or suns orbited by planets, comets, asteroids, and dust.
  7. 13. H20. 2 hydrogen atoms and 1 oxygen atom.
  8. 14. A few simple things that the universe is made of,basic building blocks of everything!
  9. 17. One of Atoms' 3 parts. Big and light, negative charge.