Sunday, May 22, 2016

Tonight's Sky for May 22: Mars at Opposition

Tonight, the planet Mars, 4th from the Sun, will be at opposition. What does that mean? In short, if viewed from above, the Sun, Earth, and Mars would be in a straight line in that order, with Mars exactly opposite the Sun in the sky as seen from Earth. End result: Mars rises as the Sun sets and Mars sets as the Sun rises, meaning that Mars is up all night. 

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