Best of AOP - Solar System


Because Venus orbits the Sun interior to the Earth, it exhibits phases such as the crescent seen above. Mercury also goes through phases, but is a bit more difficult to see through the telescope. When this image was taken, Venus was preparing to transit in front of the Sun, or just leaving from the front of the Sun.

Last Updated: 26-Jun-2014

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About This Image

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20in RC Optical Systems telescope Operating at f/8.4

Paramount ME Robotic Telescope Mount

Philips ToUcam Pro II webcam

Unsharp mask was applied to the final image.

Minimum credit line: Adam Block/NOAO/AURA/NSF