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Podcast: Travelers In The Night
Episode: 138E-150-How Big It Is
Description: Asteroids are moving points of light in the night sky, which shine by reflected Sun light. The asteroid hunting community determines a new object's orbit around the Sun by continuing to measure its changing position in the sky. The next time you hear someone state the size of an asteroid it is a safe bet that it based on Dr. Landolt's Standard Star measurements.