9.2K views · 391 reactions | We know you're wondering, "How much does the Milky Way Galaxy weigh?" 樂 Using NASA's Hubble Space Telescope and the European Space Agency's Gaia satellite, astronomers have the most accurate measurement yet: 1.5 trillion solar masses, with one solar mass being the mass of our Sun. That's a lot of Suns! https://go.nasa.gov/2UrQsyS | NASA 360 | Facebook

Ever wonder how far away those stars in the night sky are? 🤔 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