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Latest Avishai Dekel Stories

2009-01-27 11:17:15

Israeli scientists have proposed a new theory of how galaxies were formed in the universe billions of years ago. The theory, formulated by Hebrew University of Jerusalem cosmologists led by Professor Avishai Dekel, takes issue with the prevailing view on how galaxies came to exist. The new theory -- based on advanced astronomical observations and computer simulations -- maintains galaxies primarily formed as a result of intensive cosmic streams of cold gas and not, as current theory contends,...

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2009-01-22 08:40:57

A new theory as to how galaxies were formed in the Universe billions of years ago has been formulated by Hebrew University of Jerusalem cosmologists.

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2005-09-28 16:00:00

According to the prevailing "cold dark matter" theory of the evolution of the universe, every galaxy is surrounded by a halo of dark matter that can only be detected indirectly by observing its gravitational effects.


Word of the Day
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.