Photo detail

Mars is approaching Earth in our morning sky, and as it does, it will drift past the glittering stars of the M35 star cluster on the morning of Aug. 29, just as it did in March 2008, as shown in this image. But don't expect Mars to appear as large as the full moon, as an Internet hoax would have us believe.

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Tease photo

Jimmy Westlake: Planets of fire and ice

Fire and ice. These two words succinctly describe the difference between the two terrestrial planets Mercury and Mars, both of which are visible in Colorado skies this month.

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