Milky Way

Embraced in spiral arms.

DSC-Q0818_02
The Milky Way is the galaxy we live in, one of the countless collections of stars and dust throughout the universe. It's a reality so basic, grade school kids learn it. But it wasn’t always so obvious. Just 100 years ago, the nature of the Milky Way — and the universe itself — was still a matter of debate. On April 26, 1920, astronomer Harlow Shapley claimed our galaxy was the entire universe. Astronomer Heber Curtis countered that the blurry star clusters seen with a telesco...

The full text of this article is available to registered users of DiscoverMagazine.com. Register now!

Registration is FREE and takes only a few seconds to complete. If you are already registered on DiscoverMagazine.com, please log in below.
SUBSCRIBE today and save!
DSC-CV0818web
Subscribe and get 10 issues packed with:
  • The latest news, theories and developments in the world of science
  • Compelling stories and breakthroughs in health, medicine and the mind
  • Environmental issues and their relevance to daily life
  • Cutting-edge technology and its impact on our future
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT
DSC-CV0818web
+