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Dates: during 2000-2009
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...amount of light that GJ 1214b blocked when it passed in front of its star, as well as its mass (6.6 times Earth's mass), based on the wobble in the wavelength of starlight caused by GJ 1214b's gravitational pull on its star. That analysis revealed the new planet's density: about one-third of Earth's. Because water has a much lower density than rock, astronomers figured that the "most plausible scenario is a planet made mostly of water, with a significant atmosphere," says Charbonneau. So despite its high temperature, GJ 1214b's high atmospheric pressure and relatively...
Charbonneau's group isn't the only one looking. An international consortium of observatories just announced the discovery of several other super-Earths around Sun-like stars, though these new planets are far too hot to sustain life and too far away to be able to study. Separately, NASA's Kepler Mission will present the first results of its planet search at the American Astronomical Society meeting in Washington in January. "[The Kepler team] has already submitted 28 scientific papers based on 43 days of data or less," says MIT planet theorist Sara Seager. "It's going...
...earlier version of the Dec. 16 news article "Cyber Safety Expert Visits" incorrectly attributed quotes to Danah Boyd—a researcher at Microsoft Research New England and a fellow at the Berkman Center—instead of another speaker at the event. Boyd did not say that Boston has been working on a cyber-safety project with funding from Microsoft. The article has been changed to reflect this inaccuracy...
...launched new programmatic initiatives, and established strong ties between diversity programs across our Schools and administrative divisions,” they wrote...
Smith said that discussions surrounding the new faculty retirement package—which was announced earlier this month as an option for professors over 65 at several schools across the University—have been in the works since he became dean...