Word: marse
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Dates: during 2000-2009
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NASA researchers, including one Harvard professor, have found that the surface of Mars has been too acidic to sustain life for the past four billion years, suggesting that Martians are more the realm of science fiction than astronomical research.
Clues found in the rocks by two NASA space rovers—Opportunity and Spirit—have led researches to conclude that the concentrations of minerals in Mars’s water makes the planet inhospitable for even the heartiest of organisms, according to Andrew Knoll, a professor of...
Knoll said that differences in size and distance from the sun caused Earth and Mars to become distinct early in their lives.
“About 3.8 billion years ago—the age of the sedimentary rocks collected by Opportunity—Earth had oceans, life, and an atmosphere capable of sustaining greenhouse warmth but without oxygen,” said Knoll, who added that the calculations on ancient water activity...
When I was in middle school, there was a television station called “The Box.” A kind of mass-scale precursor to YouTube, it played music videos—chosen entirely by viewers—twenty-four hours a day. If I wanted to see...