Andromeda Galaxy is the spiral galaxy that is nearest to the Milky Way Galaxy. Its distance is about 2 million light years from Earth and with a diameter of 200,000 light years. Andromeda Galaxy is considered to be the largest galaxy. For the past centuries, the astronomers thought that...
Resembling a nightmarish beast rearing its head from a crimson sea, this monstrous object is actually a pillar of gas and dust. Called the Cone Nebula because of its conical shape in ground-based images, this giant pillar resides in a turbulent star-forming region.
Multiverse, a hypothetical collection of potentially diverse observable universes, each of which would comprise everything that is experimentally accessible by a connected community of observers. The observable known universe would constitute just a small or even infinitesimal subset of the...