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Spiral galaxies like Milky Way bigger than thought, says CU-Boulder study

By Guest PostJune 28, 2013Scienceboulder, brian keeney, casa, charles danforth, circumgalactic gas, cos, cos on hubble, cosmic origins spectrograph, diameter, galaxy evolution, higgs centre, Hubble Space Telescope, intergalactic interactions, james green, john stocke, light year, michael shull, Milky Way, missing link, scotland, spiral galaxy, supermassive black holes, theoretical physics, university of colorado, university of edinburgh

Let’s all fist bump: Spiral galaxies like our own Milky Way appear to be much larger and more massive than previously believed, according to a new University of Colorado Boulder study by researchers using the Hubble Space Telescope.

CU-Boulder Professor John Stocke, study leader, said new observations with Hubble’s $70 million Cosmic Origins Spectrograph, or COS, designed by CU-Boulder show that normal spiral galaxies are surrounded by halos of gas that can extend to over 1 million light-years in diameter. The current estimated diameter of the Milky Way, for example, is about 100,000 light-years. One light-year is roughly 6 trillion miles. (more…)

12 Top Universities Partner with Coursera

By Guest PostJuly 24, 2012Educationalvina lopez, andrew ng, coursera, daphne koller, duke university, edx, intellectual interaction, ivy league, johns hopkins university, online education, stanford university, university of edinburgh, university of virginia

If you were skeptical about the whole Ivy League online education thing catching on when you heard about edX, you may be surprised to learn that Coursera, an online education startup lead by two Stanford professors, just formed partnerships with 12 top universities to provide free online courses to the masses, according to The Huffington Post.

The universities that will now be providing free online courses to Coursera users are: Duke University, Johns Hopkins University, California Institute of Technology, Georgia Institute of Technology, Rice University, University of Illinois, UC San Francisco, University of Virginia, University of Washington, University of Toronto, University of Edinburgh, and Ecole Polytechnique Federale de Lausanne. (more…)

Plant’s role in global warming

By Guest PostApril 30, 2010Environment, Scienceandy mcleod, atmosphere, Bangladesh, campus, carbon dioxide, earth, forestry and agriculture, global warming, methane, moulana bhashani science and technology university, ozone, percent of earth’s emission, plants, santosh, school of geosciences, tangail, university of edinburgh

Plants remain an effective way of tackling global warming despite emitting small amounts of an important greenhouse gas, a study has shown.

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Spiral galaxies like Milky Way bigger than thought, says CU-Boulder study

12 Top Universities Partner with Coursera

Plant’s role in global warming