How Heavy Is The Milky Way?
How Heavy Is The Milky Way?
From stars, planets, and asteroids through to black holes and invisible dark matter, our galaxy is packed with a lot of stuff. The total mass of all this celestial stuff, however, is not something astronomers have been able to agree upon.
March 8, 2019 at 10:56AM
"Continue" https://ift.tt/2TphZEO - #uniteinmotherhood, #candidchildhood, #dailyparenting, #mytinymoments
