My favorite theme again :D.
Cartwheel also known as ESD 350- 40 is a lenticular galaxy and ring galaxy about 500 million light years in the constellation Sculptor, estimated 150.000 light years across, has a mass 2.9–4.8 × 109 solar masses, and rotates at 217 km/s. The galaxy discovered in 1941 by Fritz Zwiky.
Thank you so much for this amazing postcard Tammy!!
I really love it and also the stamps with Mercury project picture.. :D
0 komentar:
Posting Komentar