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White Rock through the Ages: Mars Reconnaissance Orbiter (2006-present)

Emily Lakdawalla • May 08, 2008

I apologize for the long hiatus in this White Rock series, but I hope this entry will be worth the wait.

White Rock through the ages: Mars Global Surveyor (1997-2006)

Emily Lakdawalla • February 22, 2008

We first spotted the strange bright feature colloquially known as "White Rock" in Mariner 9 images from 1972, and revisited it, without learning much more, in Viking images from the late 1970s.

White Rock through the ages: Viking (1976-1980)

Emily Lakdawalla • February 13, 2008

This is the second installment in my look at one enigmatic feature on Mars as seen by all its orbiters through the more than thirty years of spacecraft observations.

White Rock through the ages: Mariner 9, 1972

Emily Lakdawalla • February 08, 2008

While conversing with Ken Edgett about the smiley face on Mars he remarked to me how different Mars looks at different pixel scales, and in particular that there is a transition somewhere in the neighborhood of six to seven meters per pixel.

MER
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