Astronomers have understood since the 1950s that the galaxy is curved, but until now, they’ve based that idea on models and indirect measurements.
Over a six-year period, the researchers took more than 100 images of the galaxy from their observatory in the Chilean Andes. In particular, they monitored 2,400 stars called classical Cepheids, a category of “young” supergiants less than 400 million years old.
Warped shape of the galaxy
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Multiple Causes of Death
There’s a 6 percent figure from the CDC that could be easily misinterpreted. Here’s what it means.
How Much the Everyday Changes When You Have Kids
I compared time use for those with children under 18 against those without. Here’s where the minutes go.