Image: Astronomy Picture of the Day: Mars Opposition 2010

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Mars Opposition 2010

Credit & Copyright: Alan Friedman (Averted Imagination)

Astronomy Picture of the Day - 2010 January 29



Explanation: Mars is at opposition tonight, opposite the Sun in planet Earth's sky. Of course, it will be easy to spot because Mars appears close to tonight's Full Moon, also opposite the Sun in Earth's night sky in the constellation Cancer. For this opposition, Mars remains just over 99 million kilometers away, not a particularly close approach for the Red Planet. Still, this sharp view of Mars recorded on January 22nd is an example of the telescopic images possible in the coming days. The planet's whitish north polar cap is at the upper right. Mars' tiny red disk is about 14 arcseconds in angular diameter, less than 1/100th the diameter of the Full Moon.
Views: 1,178
Added: 11 years ago.
Topic: 1.2.e Mars Missions

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