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Light can behave as a particle or as a wave.

The Copernican model of the solar system has the planets orbit the Sun along elliptical paths.

A portion or all of the same zodiac constellations can be seen by those in either hemisphere year round.

Blue stars emit most of their energy at shorter wavelengths than red stars.

____ has (have) wavelengths that are shorter than visible light. I. Gamma rays II. Ultraviolet light III. Infrared radiation IV. X-rays  

The ecliptic passes through the zodiac.

The Moon’s angular diameter at apogee is larger than at perigee.

Angular distance from the horizon to the south celestial pole always equals your latitude.

The purpose of using epicycles and deferents to explain the motion of the planets in the night sky was to account for

If a planet orbits the Sun at a distance of 4 AU, then its orbital period is 8 years.