Course:

AstronomyAfter watching the lesson on the Small Angle Formula, try solving this Challenge Problem: What is the difference in Apparent Size (aka Angular Size) of the Sun when it is at perihelion (closest point to the Earth) versus aphelion (farthest point from the Earth)?

After watching the lesson on the Small Angle Formula, try solving this Challenge Problem: What is the difference in Apparent Size (aka Angular Size) of the Sun when it is at perihelion (closest point to the Earth) versus aphelion (farthest point from the Earth)?

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Course Description

Come with us as we explore our Universe! Learn about various celestial bodies including Neutron Stars, White Dwarfs, Black Holes, and more. We visit Mars, and explain the phenomenon of Earthshine. You will even learn all three of Kepler's Laws.