News tagged with visible universe

Weak Lensing Gains Strength

(PhysOrg.com) -- Berkeley Lab cosmologists were part of an international team that has extended the relationship between the x-ray luminosity and the mass of galaxy clusters as measured by gravitational lensing, improving ...

dateJan 19, 2010 in Astronomy
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Seeking the earliest galaxies with cosmic telescopes

(Phys.org)—With a recent NSF award, UA scientists will use galaxy clusters as astronomical lenses to peer farther into the depths of space than any manmade telescope is capable of viewing - to the time when the universe's ...

dateOct 17, 2012 in Astronomy
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Simulating supermassive black holes

Near the edge of the visible Universe are some of the brightest objects ever observed, known as quasars, which are believed to contain supermassive black holes of more than a billion times the mass of our Sun. Simulations ...

dateMar 30, 2016 in Astronomy
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