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...August, using the powerful Subaru telescope in Hawaii, which is equipped with a new, state-of-the art planet detector, astronomers from Japan, the U.S. and Germany snapped pictures of an object they're calling GJ 758 B orbiting a sunlike star called GJ 758, about 50 light-years from Earth and between the constellations Cygnus and Lyra. Scientists have narrowed their estimate of the mass of GJ 758 B to only about 10 to 40 times the mass of Jupiter. If it were more than 13 Jupiter masses, it would probably be considered a brown dwarf, which...
...could be a planet, though even if it isn't, there's plenty of reason to be excited. For one thing, astronomers got an image of it. The reason it's so tough to image a planet is its proximity to the blinding light of its star, which in this case is about a million times brighter. It would be like trying to see a candle burning next to the beam of a million-candlepower searchlight. Further, the blurring caused by Earth's atmosphere makes it tough to separate closely paired objects - such as a star and planet - even when...
...world's biggest and sharpest telescopes; second, the adaptive optics with which the telescope is equipped, which largely cancel out atmospheric blurring; third, the telescope's top-notch coronagraph filter, which blots out most starlight to remove the glare. And finally, the whole thing operates in infrared light, a type of light that renders planets especially bright and sunlike stars relatively dim. In short, says McElwain, "We're using state-of-the-art instruments on a state-of-the-art telescope." (See TIME's video "10 Questions for Neil deGrasse Tyson...
Ellison said that she was disappointed by the University’s lack of attention to World AIDS Day, particularly in light of the decision made by University Health Services last year to cancel anonymous HIV testing...
...semester. Yet students suffer even more from a shorter reading period because professors are not allowed to assign paper deadlines during exam period. This means that all papers must be completed before the end of reading period, rather than having this work more spread out. In light of the condensed reading period, professors should be given the flexibility to set paper deadlines during exam period—a paper due during exam period is much preferable to a premature deadline...