Frost covering the surface of Mars is 'dirty' and mixed with dust grains, NASA finds - Daily Mail

A team from NASA's Jet Propulsion Laboratory in California used data from the Mars Odyssey orbiter, with visible light and heat sensitive cameras to look at the frost.

Ghostly blue white frost covering the surface of Mars is 'dirty' and mixed with dust grains, study reveals, keeping much of it hidden to the naked eye. A team from NASA's Jet Propulsion Laboratory i… [+9245 chars]

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