PKS 0521-36The energy source needed to create and maintain the galactic let in galaxy PKS 0521-36 is generated deep within the core of the galaxy, and is far too small to resolved. The favoured mechanism behind these cosmic fireworks is a spinning, massive... — full article
PlutoPluto is the second-largest known dwarf planet in the Solar System and the tenth-largest body observed directly orbiting the Sun. From the time of its discovery in 1930 by Clyde Tombaugh until 2006, Pluto was considered the Solar System's ninth... — full article