More ideas from Francesco
Stephen Hawking says there are no black holes... at least as we have defined them

This artist's concept illustrates a supermassive black hole with millions to billions times the mass of our sun. Supermassive black holes are enormously dense objects buried at the hearts of galaxies. Image by NASA/JPL-Caltech

NASA captured erupting volcano in Guatemala from space.

Here’s a striking view of Sarychev Volcano in Kuril Islands of Japan going through its early stage of eruption, taken from the orbit of the International Space Station in June For more info on this picture, head over to NASA’s Earth Observatory!