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Twelfth Grade (Grade 12) Astronomy Questions

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Grade 12 Stars
Which of these stars is hottest?
  1. Red Star
  2. Yellow Star
  3. Orange Star
  4. Blue Star
Grade 12 Universe
What is a light-year?
  1. a shorter than average year
  2. the distance that light travels in one year
  3. the time it takes light to travel from the Sun to Earth
  4. the speed of time travel
Grade 12 Stars
Which star is the coldest?
  1. Yellow Star
  2. Red Star
  3. Orange Star
  4. Blue Star
Grade 12 Space Exploration
Who published the first heliocentric model?
  1. Tycho Brahe
  2. Ptolemy
  3. Kepler
  4. Copernicus
Grade 12 Stars
Grade 12 Space Exploration
Grade 12 Planetary Motion
Term used to describe the shape of Earth's orbit around the Sun.
  1. obliquity
  2. eccentricity
  3. equinox variant
  4. linear degradation
  5. linear orbit
Grade 12 Planetary Motion
What is unusual about the orbits of Neptune and Pluto?
  1. Pluto is sometimes nearer the Sun than is Neptune.
  2. They occasionally have near collisions.
  3. Their years have the same length.
  4. They are always on opposite sides of the Sun from each other.
Grade 12 Planetary Motion
Grade 12 Astronomy
Grade 12 Planetary Motion
What is located at one foci of the elliptical orbit of Mars?
  1. The Sun
  2. Jupiter
  3. Its moons Phobos and Deimos
  4. Haley's comet
Grade 12 Stars
What else can the H-R Diagram tell us besides the luminosity and temperature?
  1. Size, color and element make up
  2. Location and distance from Earth
  3. Constellation structures
Grade 12 Space Exploration
Astrobiology is best described as
  1. the study of animals in space.
  2. the scientific search for evidence of intelligent life.
  3. the study of life in the universe.
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