Sunday, October 17, 2010

Habitable environments deep below Martian crust and what T. Rex ate

Welcome! "Alien Life" tracks the latest discoveries and thoughts in the various elements of the famous Drake Equation. Here's today's news:
g Stars - Dramatic flares and bursts of energy - activity previously thought reserved for only the strongest magnetized pulsars - has been observed emanating from a weakly magnetised, slowly rotating pulsar. The international team of astrophysicists who made the discovery believe that the source of the pulsar's power may be hidden deep within its surface. See article.
g Abodes - A new discovery of carbonate-bearing rocks on Mars indicates that habitable environments may have existed deep below the Martian crust. The rock deposit, which was uplifted by an ancient meteor impact, also provides information about the potential existence of lakes and seas in Mars' past. See article.
g Life - It turns out that the undisputed king of the dinosaurs, Tyrannosaurus rex, didn't just eat other dinosaurs but also each other. Paleontologists from the United States and Canada have found bite marks on the giants' bones that were made by other T. rex, according to a new study published online Oct. 15 in the journal PLoS ONE. See article.
g Cosmicus - A team of space scientists based in Leicester, England, is leading the latest attempt to achieve an elusive prize: the discovery of life on Mars See article.
g Learning - Here’s a neat classroom activity courtesy of NASA: Who Can Live Here? Students explore the limits of life on Earth to extend their beliefs about life to include its possibility on other worlds.

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