Galactic Twist
New spin on antimatter
Source: Live Science
The puzzling prevalence of matter over antimatter in the universe might be related to the bizarre space-time stretching caused by our galaxy's spin, a new study suggests. Though the universe today is almost completely made of matter, scientists don't understand why. The Big Bang that created the cosmos 13.7 billion years ago should have produced equal parts matter and antimatter, which would have annihilated, leaving the universe barren of either. Luckily, it didn't (hence the Earth and the life it supports are here). To what we owe our good fortune, physicists haven't much of an idea. But a new study that takes the spinning of our galaxy into account could point the way.
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