Proof that Black Holes Exist
111
8
3,699 مناظر·
09/03/09
میں
Discovery
Ride this 26,000 light year zoom into the heart of the MW. The speeds and orbits of stars were used to calculate the mass of the central object, a black hole of 4 million solar masses. Be sure to favorite, rate, and comment!
مزید دکھائیں
0 تبصرے
sort ترتیب دیں
