Author: Emily Conover / Source: Science News
The cosmos doesn’t care whether you’re looking up or down, left or right: In all directions, the universe is expanding at the same clip.
When compared across large swaths of the sky, expansion rates agree to better than 1 percent, researchers report in a paper in press in Physical Review Letters.Observations of exploding stars, or supernovas, indicate that the universe is not only expanding, but that expansion is accelerating over time (SN Online: 1/16/18).
To check if that expansion proceeds apace in different parts of the sky, the scientists studied more than 1,000 exploding stars called type…
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