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What is the angular diameter of Neptune if its diameter is 50,000 km and its distance is 30 AU?
Q1: Based on the photo shown below, this
Q25: Stars that have spectral type B are
Q26: Which of the following are NOT sites
Q30: Compare the flux of sunlight at the
Q38: Which is NOT a scientific goal of
Q50: As you move from the top atmospheric
Q51: Magnetic fields inside a molecular cloud act
Q54: What part(s) of the human eye is
Q79: When you look at the visible surface
Q83: When learning about light, we predicted that