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Latest Rennan Barkana Stories

Radio Telescope Arrays Can Be Used To Locate Cosmic Heating From The Earliest Black Holes
2014-02-06 05:05:02

[ Watch the Video: Black Holes Heated Gas Later Than Believed ] redOrbit Staff & Wire Reports - Your Universe Online In what is being described as a landmark discovery about the origins of the universe, Tel Aviv University researchers report in the journal Nature that black holes, formed from the first-ever stars, heated the gas throughout space much later than previously believed. In addition, study authors Professor Rennan Barkana of TAU's School of Physics and Astronomy, Dr....

Big Bang Tracked With Hydrogen Atoms
2012-09-06 12:43:42

April Flowers for redOrbit.com - Your Universe Online If the eyes are the windows to your soul, the stars are the windows to our galactic past because they can unveil the history of our Universe. The farther away a star is, the older it is. The Universe is estimated to be 14 billion years old, but our current telescopes can only see galaxies about 700 million years old and only then when the galaxy is unusually large or as the result of a big event like a stellar explosion. An...


Word of the Day
out-herod
  • In the phrase to out-herod Herod, to be more violent than Herod (as represented in the old mystery plays); hence, to exceed in any excess of evil.
Herod refers to 'Herod the Great,' a Roman client king and 'a madman who murdered his own family and a great many rabbis.' According to the OED, the term is 'chiefly with allusion to Shakespeare's use' in Hamlet.
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