Quiz
Distances
3 years ago by
craniumfire
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  • Question 1
    30 seconds
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    Q. Which ancient civilization concluded that the Earth was round by observing sailing ships?
    answer choices
    ancient Romans
    ancient Greeks
    ancient Egyptians
    ancient Persians
  • Question 2
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    Q. Which philosopher calculated the size of the Earth using shadows, angles and wells?
    answer choices
    Aristotle
    Pythagoras
    Eratosthenes
    Socrates
  • Question 3
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    Q. You can see the curve of the Earth’s edge as the shadow moves across the Moon during ___
    answer choices
    a lunar eclipse
    a solar eclipse
    the Moon's cycle of phases
    a new moon
  • Question 4
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    Q. In the 17th century, which two scientists laid the mathematical groundwork of planetary orbits?
    answer choices
    Johannes Kepler and Galileo Galilei
    Isaac Newton and Robert Hooke
    Galileo Galilei and Robert Hooke
    Johannes Kepler and Isaac Newton
  • Question 5
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    Q. The distance from the Earth to the Sun is given the name ___
    answer choices
    the basic astronomical distance, or BAD
    the Sun-Earth distance, or SED
    the astronomical unit, or AU
    the light-year, or LY
  • Question 6
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    Q. The passage of a planet across the disk of the Sun is called ___
    answer choices
    a conveyance
    a transit
    osmosis
    a permeation
  • Question 7
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    Q. When using transits to calculate the Earth-Sun distance, why are results not highly accurate?
    answer choices
    our atmosphere blurs the images
    the timing devices aren't accurate enough
    telescopes aren't powerful enough
    the events occur too rarely
  • Question 8
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    Q. In the 1960s, to calculate the AU, radio telescopes were used to bounce radar pulses off of ___
    answer choices
    the Sun
    Venus
    Mercury
    Jupiter
  • Question 9
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    Q. Our ability to determine distances between objects and see the world in three dimensions is called ___
    answer choices
    depth perception
    3D cognition
    triangulation
    perspicacity
  • Question 10
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    Q. The shift in position of an object, viewed along two different lines of sight, is called ___
    answer choices
    paralyses
    triangulation
    parallax
    perspicacity
  • Question 11
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    Q. When using parallax, the distance between the two observation points is called ___
    answer choices
    the astronomical distance
    the astronomical unit
    the wavelength
    the baseline
  • Question 12
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    Q. The first star to have its parallax successfully measured was 61 Cygni, in the year ___
    answer choices
    1838
    1888
    1938
    1988
  • Question 13
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    Q. A light-year is defined as ___
    answer choices
    the distance light travels in a year
    the time that light travels in a year
    the distance between the Earth and the Sun
    the time for Earth to orbit the Sun
  • Question 14
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    Q. A parallax shift of one arcsecond (1/3600th of a degree) is called ___
    answer choices
    a light-year
    an astronomical unit
    a parsec
    a Kessel Run unit
  • Question 15
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    Q. How far away is Proxima Centauri, the nearest star to the Sun?
    answer choices
    4.2 astronomical units
    42 astronomical units
    4.2 light years
    42 light years
  • Question 16
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    Q. Two stars that give off the same amount of energy are said to have the same ___
    answer choices
    intrinsic brightness
    apparent brightness
    elemental luminosity
    native luminosity
  • Question 17
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    Q. If you have two stars that are the same intrinsic brightness and one is twice as far as the other, it will be ___
    answer choices
    just as bright
    1/2 as bright
    1/4 as bright
    1/8 as bright
  • Question 18
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    Q. The temperature of a star can be found using ___
    answer choices
    parallax
    spectroscopy
    trigonometry
    its diameter
  • Question 19
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    Q. Some newer methods of finding distances use pulsars which are ___
    answer choices
    stars that seem to blink with a regular rhythm
    dying stars
    exploding stars
    stars that change size over time
  • Question 20
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    Q. We see stars in other galaxies, which means we can use them to determine ___
    answer choices
    the size and scale of the Universe
    the size of our galaxy
    the scale of our solar system
    the accuracy of the astronomical unit
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