Hey Space Placers!
Take a few minutes to read this great article about the late, great American astronomer, Vera Rubin.
Today is her birthday and it is appropriate to read about her ground breaking work on Dark Matter.
Our own Milky Way Galaxy has all the indicators showing the presence of Dark Matter as do most other galaxies.
Enjoy my astropic of our Milky Way Galaxy taken at Shenandoah National Park.....
Sky Guy in VA