PUEBLA, March 31, 2015 - The photo taken on March 30, 2015 shows the Great Milimetric Telescope (GTM) "Alfonso Serrano" at the peak of the Sierra Negra, in Puebla state, Mexico. According to local press, the GTM has been measuring a black hole in the center of the Milky Way for five nights.

1 / 1
 

Latest News

Latest Photos