Word: darkness
(lookup in dictionary)
(lookup stats)
Dates: during 1980-1989
Sort By: most recent first
(reverse)
...another idea, called the cold dark matter theory, has gathered more support. This theory postulates an as yet undiscovered form of exotic subatomic particle that pervades the universe. The presence of this mysterious "dark matter" could explain why most galaxies -- including our Milky Way -- seem, judging from measurements of gravitational forces, to contain about ten times as much invisible matter as they do visible stars, gas and dust. The existence of dark matter is needed to fill the gaps in some of the Grand Unified Theories that physicists have concocted to account for the fundamental structure of matter and energy...
...particular, some scientists speculate that cold dark matter caused galaxies to form into the kind of bubbles Geller and Huchra have found. The process supposedly got under way 10 billion to 20 billion years ago, when the universe began with the Big Bang and the energy from that explosion started to condense into matter. Since then, ordinary visible matter, by itself, has probably not had time to gather into enormous structures. But cold dark matter may have condensed first, and its gravitational force could have helped pull visible matter into bubbles and galaxies. In fact, recent computer simulations at Princeton...
...exceptionally bright starlike object) ever spotted. It is billions of light-years away, and the researchers estimate that it existed when the universe was only 7% of its present age. It is hard to explain how a quasar could be formed that early, even under the influence of cold dark matter...
...Martin on Thursday. He was lying on the lawn behind his residence, clad in a familiar dark blue T shirt that seemed to be one of only three he owned. Most of his gentle, bearded face had been torn away by an M-16 bullet. Next to him was Father Segundo Montes, director of the University of Central America's human rights project, and a few feet away sprawled the school's rector, Father Ignacio Ellacuria. The priests' cook, Elba Julia Ramos, lay nearby, her brown dress curled around her waist...
After months of being kept in the dark, however, the families no longer discount any theory. "I believe ((the CIA scenario)) is more than possible," says Giebler. She is not alone in her suspicion, nor in her anger about the offer by the Bush Administration to compensate the families of victims killed in the downing of an Iranian passenger jet by the U.S.S. Vincennes in July 1988. Some security analysts conclude that Iran ordered the bombing of Flight 103 to avenge the Iranian Airbus disaster. The families do not disagree. Jeannine Boulanger, whose 21-year-old daughter Nicole was killed...