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Examen
PHSC 106 Exam Questions & Answers
PHSC 106 Exam Questions & Answers 
 
 
The sun is - ANSWERSall of the choices are correct 
 
(self luminous object, a star which generates its own energy, & 1 AU from Earth) 
 
The speed of light is v = 300,000 km/s, and it takes t = 2.0 s for light to travel from the moon to Earth. From this information, what is the distance d to the moon? HINT: d=vt - ANSWERS600,000 km 
 
A light year is ______________. - ANSWERSthe distance that light travels in 1 year 
 
If the distance to the nearest star ...