Astronomy

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Author:
Darkness
ID:
232216
Filename:
Astronomy
Updated:
2013-08-31 23:26:35
Tags:
astronomy
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Description:
exam study
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  1. When the moon is all dark, it is called...
    new moon
  2. When the moon is less than half lit it is called...
    crescent moon
  3. When the moon is half lit it is called..
    quarter moon
  4. when the moon is more than half lit it is called...
    gibbous
  5. When the moon is all lit, it is called
    full moon
  6. When the lit part of the moon is on the right it is called
    waxing
  7. when the lit part is on the right, it is called...
    waning
  8. Wanna see photo of the moon phases?
  9. How long does a full cycle of phases take?
    1 month
  10. A new to full phase takes
    14 days
  11. The phases of the Moon are caused by
    the orientation of the Earth, Moon, and Sun
  12. You wanna see moon phase pic?
  13. If you were on the Moon, how often would you see the Sun rise?
    about once per month
  14. lunar eclipse is
    Moon is covered by Earth’s shadow
  15. solar eclipse when
    Sun covered by Moon
  16. The phase of theMoon at a lunareclipse is
    always full
  17. There could be a lunar eclipse everymonth if the
    Moon's orbit were not tilted from the ecliptic
  18. The Moon
    rotates once per orbit
  19. The phases of the Moon arecaused by
    the orientation of the Earth, Moon, and Sun
  20. The run rises in ______ and sets in the ____
    East, West
  21. Earth rotates once in
    24 hours
  22. theNorth star is also called
    Polaris
  23. wherever you are, straight overhead is called
    zenith
  24. As a person moves from the equator toward the North pole, Polariswould
    would get higher in the sky
  25. If I compared the position of theSun at noon in December versusJuly
    the Sun would be higher in July
  26. If it is Winter in the Northernhemisphere (like Toledo), whatseason is it in the Southernhemisphere (like Australia)?
    Summer
  27. What causes the seasons?
    The Earth’s rota@on axis is @lted, and the changein distance causes our seasons
  28. What season in Toledowhen we are closest to Sun?
    Winter
  29. Aphelion means
    farthest away from sun
  30. Perihelion means
    closest to the sun
  31. The earth is closest to the sun in
    January
  32. Imagine a planet whose rotation axis is nottilted at all. How would you describe itsseasons?
    no seasons at all
  33. Imagine a planet whose rotation axis is tilted all the way over. How would you describe its seasons?
    more extreme than those on Earth
  34. Light has a range of energies
    • red closer to infrared
    • violet closer to ultraviolet
  35. You want to design glasses soyou can see animals at night. Theseglasses should convert
    infrared photons to optical photons
  36. Radio telescopes are largerthan optical telescopes because
    the atmosphere blocks most radio, sosignals are faint and we must collect morelight to detect signals

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