Word: primordiale
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Most astronomers believe that the universe was born billions of years ago in a so-called "Big Bang"-a violent explosion of a primordial clump of matter. Ever since, fragments of that clump -consisting largely of the islands of stars called galaxies-have been flying apart. But the universe is...
Primordial Broth. Enthusiasm is so high that "lifenatics" have taken to exchanging their discoveries in a quarterly newsletter, "Lifeline," published by Life Buff Robert T. Wainwright, a computer specialist in Wilton, Conn. Sample report: "I wanted to find a pattern that would blow up, a bomb that creates a spectacular...
There is less debate about where comets originate. The most widely accepted explanation is that of Dutch Astronomer Jan Oort, who says that comets exist by the billions in a vast swarm of debris beyond Pluto that stretches halfway to the nearest star, Proxima Centauri. The debris, called Oort'...
The early discovery meant that Kohoutek was not only intrinsically brighter than Halley's comet but probably quite large. Astronomer Elizabeth Roemer, of the University of Arizona, estimates that Kohoutek's nucleus is about 25 miles in diameter, far larger than most comets, probably including Halley's...
Bit of Luck. Skylab's presence in orbit during the comet's passage is an incredible bit of luck. If the comet had arrived a month or so later, or Skylab had been launched only slightly earlier, the space station would not have been available for the important...