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Intro to Astronomy Final Exam Study Guide Test.
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Intro to Astronomy Final Exam Study Guide Test. Why were ancient peoples unable to detect stellar parallax? • A. They did detect it, but they rejected the observations • B. They could not see distant stars • C. They did not have the ability to measure small enough angles • D. They di...

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  • October 8, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • astronomy
  • intro to astronomy final exam study guide test

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  • Astronomy
  • Astronomy

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Intro to Astronomy Final Exam Study
Guide Test.
Why were ancient peoples unable to detect stellar parallax?

• A. They did detect it, but they rejected the observations

• B. They could not see distant stars

• C. They did not have the ability to measure small enough angles

• D. They did not observe for long enough periods of time

• E. They looked in the wrong direction - CORRECT ANSWER C



How did Eratosthenes estimate the size of the Earth?

• A. He sent fleets of ships around the Earth

• B. He observed the duration of a solar eclipse

• C. He measured the size of Earth's shadow on the Moon during a

lunar eclipse

• D. He compared the maximum altitude of the Sun in two cities at

different latitudes

• E. We don't know: his writings were destroyed - CORRECT ANSWER D



What did Tycho Brahe do that advanced

astronomy significantly?

• A. Realized that orbits didn't have to be circles, they

could be ellipses

• B. Made more accurate observations of planets than

anyone before him

• C. Thought up the idea of circles moving on circles

(epicycles) to explain planet's motion

• D. Claimed that stars do not have parallax

,• E. Believed that Ptolemy was correct - CORRECT ANSWER B



Whose suggestion that the Sun is the center of

the solar system was first taken seriously by many people?

• A. Copernicus

• B. Tycho

• C. Kepler

• D. Galileo

• E. Ptolemy - CORRECT ANSWER A



What did Johannes Kepler do?

• A. Came up with a theory-elliptical orbits-that explained

Tycho's accurate data

• B. Found that planets don't orbit at constant velocity-they

speed up when nearer the Sun

• C. Discovered the relationship between orbital period and

a planet's distance from the Sun

• D. Worked with Tycho Brahe

• E. All of the above - CORRECT ANSWER E



Who discovered that Jupiter has moons?

• A. Ptolemy

• B. Galileo

• C. Aristotle

• D. Kepler

• E. Tycho - CORRECT ANSWER B



If the Moon is rising at midnight, the phase of the Moon must

be

, • A. full

• B. first quarter

• C. waning crescent

• D. waxing crescent

• E. third quarter - CORRECT ANSWER E



Who discovered that Venus has phases like the

Moon?

• A. Ptolemy

• B. Galileo

• C. Aristotle

• D. Kepler

• E. Tycho - CORRECT ANSWER B



Kepler's 3rd law: p2 = a

3

If a = 4, p =

• A. 1

• B. 2

• C. 4

• D. 8

• E. 20 - CORRECT ANSWER D



Kepler's 3rd law: p2 = a

3

If p = 1000, a =

• A. 1

• B. 3

• C. 10

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