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 →
Chances it’s a Friend’s Birthday Every Single Day of the Year
If it seems like every day you log in to Facebook, it’s someone’s birthday, you’re probably not that far off.
All the National Food Days
Keep track of the 214 days out of the year that are a national food or drink days.