3M views · 106K reactions | Ever wonder how far away those stars in the night sky are? 樂 Our Sun’s nearest neighbor star is about 4 light-years away … our galaxy is over 100,000 light-years wide! But what does that even mean? Check out this Tumblr for a primer: https://nasa.tumblr.com/post/184153458369/how-big-is-our-galaxy-the-milky-way | NASA Universe | Facebook

5K views · 192 reactions | Astronomers have found signs of what could be the first planet ever to be discovered outside the Milky Way galaxy. | China Daily | Facebook

• A Tour of the Milky Way and 3-D Rendering of Space Dust - Berkeley Lab-led research raised questions about properties of dust in local and distant reaches of Milky Way. 17.2.2019 VIDEO: This animation shows a 3-D rendering of space dust, as viewed in a several-kiloparsec (thousands of light years) loop through and out of the Milky Way’s galactic plane. The animation uses data for hundreds of millions of stars from Pan-STARRS1 and 2MASS surveys. (Credit: Gregory M. Green/SLAC, KIPAC) • Consider

647 reactions · 87 shares | Explore the wonders and mysteries of our galaxy—the giant city of stars we call home. "NOVA Universe Revealed: Milky Way" premieres on WED. NOV. 3 at 9/8c on PBS. Or watch it, and the whole series, online now: https://to.pbs.org/2ZwqH8w | NOVA l PBS | Facebook