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
Projects by Nathan Yau See All →
Best Directors Who Were Not White Men
From 1928, the year of the first Academy Awards, to 2019, there have been 455 nominations for Best Director. Of those, 18 of them went to non-white men.
Data Underload #11 – American Hockey
American interest in hockey went from practically zero to near Canadian status.
Charting All the Beer Styles
The Beer Judge Certification Program lists 100 styles of beer. Here’s a chart for all of them.