325K views · 7.9K shares | 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

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