Physical Science Review

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Across
  1. 3. The general name given to the outer four planets of our solar system
  2. 5. During summer the tilt of the northern hemisphere is ________ the sun and during winter it is ________.
  3. 13. Occurs when the moons gravity pulls parallel to the sun’s gravity
  4. 15. The most common type of stars
  5. 17. This mysterious substance is responsible for the expansion of the universe
  6. 18. The general name given to the inner four planets of our solar system
  7. 19. The apparent shift in position of stars in the night sky throughout the year which can be used to estimate their distance
  8. 21. This element is made through fusion in the heaviest of stars
  9. 23. This star does NOT change position throughout the year and is useful for navigation in the northern hemisphere.
  10. 24. The statement that the universe is expanding and the farther away a galaxy is the faster it is moving away.
  11. 26. The end result for a star like our sun
  12. 29. A group of stars that appear to form a unique shape or pattern
  13. 30. Jovian planet which is tilted on its side
  14. 35. The name for the moon phase which is a nearly full moon that will continue to get smaller
  15. 37. The plane along which the Earth and the Sun lie along with the zodiac constellations.
  16. 38. In astronomy, 1 Astronomical Unit is the distance between the _________ and the ________.
  17. 42. Occurs when the Earth is between the moon and the sun
  18. 43. Death stage of a high mass star
  19. 44. Unit of measurement used to measure distances between stars and galaxies
  20. 45. The season in the northern hemisphere when the Earth is closest to the sun
  21. 46. Occurs when the moons gravity pulls perpendicular to the sun’s gravity
  22. 47. Region of many comets and asteroids marking the edge of our solar system.
  23. 48. Eventually the universe will end with all objects cooling off until there is no heat energy left anywhere. This is called the ________ __________ of the universe.
  24. 49. Smallest type of star
Down
  1. 1. This radiation from the early universe provides evidence for the cooling of the universe over time.
  2. 2. Planets orbiting an F,G, or K class star at a distance of 0.5 to 3.0 A.U.s are said to be in the ______________ ____________ of that star.
  3. 4. The _______ of Earth causes stars to appear to be moving throughout the year
  4. 6. Unit of measurement used to measure distances between objects within the solar system
  5. 7. Our universe started out in a ________ and _________ state before rapidly expanding and cooling over time
  6. 8. By analyzing the ___________ lines of a stars light, we can determine what elements it is made of.
  7. 9. Jovian planet with the most moons
  8. 10. Death stage of an average mass star
  9. 11. If one light year is 60,000 astronomical units and a star is 300,000 astronomical units away, how many light years is it to that star?
  10. 12. The process inside of stars which keeps them alive and produces new elements and heat
  11. 13. Jovian planet where the roche limit destroys its moons
  12. 14. The experience of time passing slower the faster you travel. Shown in Interstellar by going near a Black Hole
  13. 16. Stars with the highest gravitational force
  14. 20. The phase during which a lunar eclipse can take place
  15. 22. The phase during which a solar eclipse can take place
  16. 25. Terrestrial planet with no magnetic field causing a loss of liquid water
  17. 27. If one astronomical unit is 150 million kilometers, and a planet is 600 million kilometers away, how many astronomical units is it to the planet?
  18. 28. This process indicates that most galaxies are moving away from us.
  19. 31. Jovian planet that shares its orbit with Pluto leading to Pluto’s demotion.
  20. 32. Birthplace of stars
  21. 33. The name for the moon phase which is a sliver of a moon that will continue to get larger.
  22. 34. Region of many rocky bodies and dwarf planets which includes pluto.
  23. 36. Terrestrial planet with runaway greenhouse effect
  24. 39. Occurs when the moon is between the Earth and the sun
  25. 40. Name for the process by which the force of gravity on a moon may heat up its core making it geologically active.
  26. 41. Terrestrial planet with the fastest orbit