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