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New Online Classes to Help You Learn More about the Universe
Dark matter in the Bullet Cluster. Otherwise invisible to telescopic views, the dark matter was mapped by observations of gravitational lensing of background galaxies. Credit: X-ray: NASA/CXC/CfA/ M.Markevitch et al.; Lensing Map: NASA/STScI; ESO WFI; Magellan/U.Arizona/ D.Clowe et al. Optical: NASA/STScI; Magellan/U.Arizona/D.Clowe et al.;
Roughly eighty percent of all the mass in the Universe is made of dark matter – a mysterious invisible substance responsible for the structure of galaxies and the patterns of the cosmos on the very largest scales. But how do we know that?
Astronomical images are beautiful, but that’s not their primary purpose from a scientist’s point of view. How can we take those images and infer things about what they are?
We only know of one planet harboring life: Earth. But that doesn’t mean we don’t know anything about the possibility of life elsewhere in the cosmos. How can we infer things about possible alien organisms when we can’t see them (yet)?
If you’re curious about those and other classes, CosmoAcademy — a project from the CosmoQuest educational and citizen-science group — could be for you. (…)
Read the rest of New Online Classes to Help You Learn More about the Universe (548 words)
© matthewfrancisRMC for Universe Today, 2014. |
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Post tags: CosmoAcademy, CosmoQuest, education, online classes
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Source: http://www.universetoday.com/108089/new-online-classes-to-help-you-learn-more-about-the-universe/
