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Latest Karl Gebhardt Stories

Massive Black Hole Is A Real Heavyweight
2012-11-29 06:42:37

Lee Rannals for redOrbit.com - Your Universe Online Astronomers have measured the mass of what may be the most massive black hole observed so far by using the Hobby-Eberly Telescope at The University of Texas at Austin's McDonald Observatory. The black hole makes up 14 percent of its galaxy's mass, rather than the usual 0.1 percent, according to the study published in the journal Nature. NGC 1277 is about 220 million light-years away from Earth, and is just ten percent the size and...

Researching And Reaching Between Stars
2012-06-27 10:24:09

University of Texas astronomers use Lonestar supercomputer to explore role of dark matter in galaxy formation From Earth, observers use telescopes to look and learn about the distant luminous spheres. But the telescope often isn't the only instrument used. Karl Gebhardt, professor of astrophysics at The University of Texas at Austin and one of the principal investigators for the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) project, makes revolutionary discoveries about dark...

ef0b3d9f5a641b9efa35c2263af636c61
2009-06-09 16:15:00

Some of the black holes nearest to Earth may be larger than previously believed. A re-examination of the vast black hole at the core of the nearby M87 galaxy indicates it could have 6.4 billion times the mass of the Sun, two to three times larger than previous studies had suggested.The reassessment has led scientists to speculate that many other black holes are also under-recorded, said Dr. Karl Gebhardt in remarks made at a meeting of the American Astronomical Society (AAS) in Pasadena,...


Word of the Day
sough
  • A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
  • A gentle breeze; a waft; a breath.
  • Any rumor that engages general attention.
  • A cant or whining mode of speaking, especially in preaching or praying; the chant or recitative characteristic of the old Presbyterians in Scotland.
  • To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
  • To breathe in or as in sleep.
  • To utter in a whining or monotonous tone.
According to the OED, from the 16th century, this word is 'almost exclusively Scots and northern dialect until adopted in general literary use in the 19th.'
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