Friday, August 29, 2014

Tonight's Sky for August 29: Neptune at Opposition


Today, the planet Neptune, eighth from the Sun, will be at opposition. What does that mean? In short, if viewed from above, the Sun, Earth, and Neptune would be in a straight line in t hat order, with Neptune exactly opposite the Sun in the sky as seen from Earth. End result: Neptune rises as the Sun sets and Neptune sets as the Sun rises. Problem: Neptune is roughly +8 magnitude, which means that you'll need a good star chart and a big telescope to find it. Oh, yes, experience helps a lot, too. 

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