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Quiz

CQ1 Observing

throwa74 13 perguntas

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Perguntas do quiz (13)

  1. 1The Equator and other imaginary lines parallel to it are called “lines of ________.”
    1. Alatitude
    2. Blongitude
    3. Cequinox
    4. Dsolstice
  2. 2The Prime Meridian and the other imaginary lines like it that go from North Pole to South Pole are called “lines of __________.”
    1. Alatitude
    2. Blongitude
    3. Cequinox
    4. Dsolstice
  3. 3The meridian is
    1. Athe projection of Earth’s equator onto the celestial sphere.
    2. Bthe point in your local sky directly above you.
    3. Cthe boundary between the northern and southern halves of your local sky.
    4. Dthe boundary between the eastern and western halves of your local sky.
  4. 4The angular size of your finger at arm’s length is about 1°. How many arcseconds is this?
    1. A60 arcseconds
    2. B600 arcseconds
    3. C60  60 = 3600 arcseconds
  5. 5The angular size of your fist, held at arms length, is about
    1. A1 degree.
    2. B10 degrees.
    3. C5 inches.
    4. D10 inches.
  6. 6Which of these is not true:
    In order to see all of the stars in the bowl of the northern sky at night, one must
    1. Aobserve at different times of year.
    2. Bobserve from different latitudes.
    3. Cobserve from different longitudes.
    4. Dobserve all night (except when you are at the North Pole).
  7. 7The North Star (Polaris) is 50° above your horizon, due north. Where are you?
    1. AYou are on the equator.
    2. BYou are at the North Pole.
    3. CYou are at a latitude of 50°N.
    4. DYou are at a longitude of 50°E.
  8. 8When an astronomer describes the altitude of something in the local sky, he or she means
    1. Ahow high something is in the sky, in units of miles or kilometers.
    2. Bhow high something is in the sky, in units of degrees.
    3. Cthe direction toward something – in respect to North which is taken as 0 degrees.
  9. 9When an astronomer describes the azimuth of something in the local sky, he or she means
    1. Ahow high something is in the sky, in units of miles or kilometers.
    2. Bhow high something is in the sky, in units of degrees.
    3. Cthe direction toward something in respect to North which is taken as 0o.
  10. 10What is the arrow pointing to in the photo below?
    1. Athe zenith
    2. BPolaris – the North Star
    3. Cthe celestial equator

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Quiz sobre CQ1 Observing, criado por throwa74 em 29-04-2015.
Idioma
English
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