325K views · 13 reactions | When we talk about the enormity of the cosmos , it’s easy to toss out big numbers – but far more difficult to wrap our minds around just how large, how far, and how numerous celestial bodies really are. Join us for a cosmic journey to see the size of our Milky Way galaxy: https://go.nasa.gov/2UxkHIN | NASA - National Aeronautics and Space Administration | Facebook

A new understanding of our galaxy's structure began in an unlikely way: on Twitter. A research effort sparked by tweets led scientists to confirm that the Milky Way’s central bulge of stars forms an “X” shape. Learn more: http://go.nasa.gov/2a6k5lo | NASA - National Aeronautics and Space Administration

258K views · 20K reactions | 30 years ago, NASA's Hubble Space Telescope unlocked a window to the universe. Through that window we’ve seen the wonders of our Milky Way and expanded our vision across the galaxy. Explore some of these incredible discoveries about the galaxy we call home: https://go.nasa.gov/2NYGwLO | NASA - National Aeronautics and Space Administration | Facebook