NASA rover Opportunity finds signs Mars once had fresh water

Comments (6)
gregbrew56 wrote:

From the article: “By studying rocks at various levels, scientists expect to not only get a better idea of how long the planet was able to sustain life, but where conditions might be favorable to perverse key evidence, such as organic carbon.”

Editor: Did you perhaps mean “pursue” instead of “perverse” in the last sentence?

Jan 24, 2014 4:01pm EST  --  Report as abuse
morbas wrote:

Perhaps precursor?

By studying rocks at various levels, scientists expect to not only get a better idea of how long the planet was able to sustain life, but where conditions might precursor key evidence, such as organic carbon.

precusor: a substance, cell, or cellular component from which another substance, cell, or cellular component is formed.

@gregbrew56, nice catch!
I still hope that the mysterious rock was fungi.

Jan 25, 2014 9:22am EST  --  Report as abuse
tougar wrote:

hmmmm. mars’ atmospheric conditions changed over time…without human influence…I wonder if earth’s atmospheric conditions are changing?

Jan 27, 2014 12:12pm EST  --  Report as abuse
tougar wrote:

hmmmm. mars’ atmospheric conditions changed over time…without human influence…I wonder if earth’s atmospheric conditions are changing?

Jan 27, 2014 12:12pm EST  --  Report as abuse
jmmx wrote:

“…where conditions might be favorable to **perverse** key evidence, such as organic carbon…”

did you mean preserve?

Jan 27, 2014 12:56pm EST  --  Report as abuse
gregbrew56 wrote:

…or maybe “preserve”? Same letters!

Jan 27, 2014 6:15pm EST  --  Report as abuse
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