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Theory Suggests a Pre-Big Bang Universe
from Science News
Some people are loath to take a lopsided view of the universe, but cosmologist Sean Carroll and his colleagues are positively reveling in it.
Embracing a study that suggests the pattern of radiation left over from the Big Bang looks surprisingly different from one side of the sky to the other, Carroll and colleagues have come up with some mind-bending possibilities to explain the puzzle, described in a paper posted online June 3.
In one scenario, the universe existed before inflation - the short-lived but enormous growth spurt associated with the Big Bang. In the other scenario, the universe is but a tiny part of a primordial structure now grown so big it exceeds the horizon of the observable universe.
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In 2013, American Scientist featured an article on odd ice formations on plant stems, including these curling ribbons of ice. One of the types of ice discussed in the article was hair ice—long, thin strands of ice that grow under quite specific conditions. The only problem is that a new study shows the theory put forth at the time—that gas pressure pushes the water out—isn’t correct... (click the link above to read more).
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