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  • This illustration released by the University of Santa Cruz shows a super-Earth type planet, named GJ1214b, left, in the atmosphere. For the first time astronomers probed the atmosphere of this planet by observing chemical signatures imprinted on light from the planet's host star as it filtered through the planet's atmosphere. GJ1214b is about 2.6 times Earth's radius, but about 6.5 times its mass, and it circles a red dwarf star, top right. (AP Photo/University of California at Santa Cruz, Paul A. Kempton)  NO SALES.

    Starry starry starry night: Star count may triple

    The universe may glitter with far more stars than even Carl Sagan imagined when he rhapsodized about billions upon billions. A new study suggests there are a mind-blowing 300 sextillion of them, or three times as many as scientists previously calculated. That is a 3 followed by 23 zeros. Or 3 trillion times 100 billion.

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