astronomy

Arizona State University

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Astronomy, ASU, Exam 1 Questions With Complete Solutions

Astronomy, ASU, Exam 1 Questions With Complete Solutions
Exam (elaborations) • 16 pages • 2023

What is the definition of the Astronomical Unit? correct answer: The average distance between the Sun and the Earth Which sequence is correct when ordered by increasing size? correct answer: Earth Solar System Milky Way Galaxy Galaxy Clusters How many stars does a typical galaxy like the Milky Way Galaxy contain? correct answer: a few hundred billion How long does it take for light to cross the diameter of the Milky Way Galaxy? correct answer: about 100,000 years Which of the ...