Three Worlds, One Shot: a February 2015 Conjunction Event

Lights in the Dark

Conjunction of the Moon, Venus, and Mars on Feb. 20, 2015. © Jason Major. Conjunction of the Moon, Venus, and Mars on Feb. 20, 2015. © Jason Major.

Did you have clear skies last night? If so, you may have been able to catch the sight above: a conjunction of the crescent Moon and the planets Venus and Mars in the western sky!

I captured the photo above with a Nikon D7000 and a Sigma 150-500mm lens. Venus is the brighter object at left, Mars appears dimmer and redder above. Part of the Moon’s “dark side” can be seen due to Earthshine – sunlight reflected off Earth onto the Moon. (Sometimes romantically called “the old Moon in the new Moon’s arms.”)

Although the worlds were only within a degree or two of each other in the sky they were in reality very far apart (obviously). The actual distances from Earth to each at the time of the event? Moon: 363,784 km; Venus: 213 million km; Mars:…

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