Why search for life on Mars targets methane
The hunt for life on Mars took a new turn today (Nov. 2), with the news that NASA's Mars rover Curiosity detected no methane in its first few sniffs of Red Planet air. The search for Red Planet life has long been intertwined with the search for methane, which is why so many scientists and laypeople alike were probably disappointed by the initial atmospheric readings from Curiosity's Sample Analysis at Mars instrument, or SAM. "Everybody is excited about the possibility about methane from Mars, because life as we know it produces methane," SAM co-investigator Sushil Atreya, of the University of Michigan, told reporters today. At least 90 percent of the methane in Earth's atmosphere is biologically derived, Atreya said. As a result, many researchers regard Martian methane as a possible indicator of Red Planet life.
People:
Sushil Atreya
Overall Sentiment: -0.111348
Relevance: 0.428131
| Sentiment | Quote |
|---|---|
| -0.197026 | "The conventional destruction mechanism of methane is photochemistry, as on Earth, and that results in a several-hundred-year lifetime of methane on Mars," Atreya said, ... |
| 0 | "At least for now, the sinks seem to be winning over the sources," Atreya said. ... |
| 0 | "At least for now, the sinks seem to be winning over the sources," Atreya said. "But that also could change with time." |
| Sentiment Stats: |
|
Mike Wall
Overall Sentiment: 0
Relevance: 0.177384
Disambiguation: AthleteReferences:
Key:
- Aggregate Sentiment is meant to be an indicator of an individual's overall sentiment.
- The Mean is meant to be an indicator of an individual's average comment sentiment.
- The Standard Deviation, when there are enough quotes, will indicate an individual's consistency of sentiment (i.e. a Standard Deviation of 0 would mean they were very consistent in their sentiment and 1 would mean they were very inconsistent).
Note that quote stats are likely to be meaningless beyond the aggregate score due to the tiny sample size. However, they are always provided just in case you find something useful there.
Additional Info:
Technology: Mars
Overall Sentiment: 0.044599
Relevance: 0.820602
Facility: Mars rover Curiosity
Overall Sentiment: -0.17017
Relevance: 0.864796
Organization: Red Planet
Overall Sentiment: 0.405036
Relevance: 0.328484
Site Header
Source : feeds.cbsnews.com
Provided Title:
Webpage Provided Desc:
Provided Keywords:
Provided Title:
Why search for life on Mars targets methane
Webpage Provided Desc:
Scientist: "Everybody is excited about the possibility about methane from Mars, because life as we know it produces methane."
Provided Keywords:
- Curiosity
- life on mars
- mars
- Mars rover
- mars rover curiosity
- Mike Wall
- NASA
- space.com
- sushil atreya
No comments:
Post a Comment