The Tupolev is a supersonic, variable-sweep wing heavy strategic bomber designed in the Soviet Union. is currently the world's largest combat aircraft, largest supersonic aircraft, and largest variable-sweep aircraft built.
A supernova is a stellar explosion that briefly outshines an entire galaxy, radiating as much energy as the Sun or any ordinary star is expected to emit over its entire life span, before fading from view over several weeks or months.
The constellation of Orion is rich with impressive nebulas. Of the many interesting details that particularly draws the eye is Barnard's Loop, the bright red circular filament arcing down from the middle. The bright orange star on the upper left is Betelg
Arp 272 : Merging Galaxies - At image left, PGC 57058 (NGC 6050) and PGC 57053 (IC 1179) are in the process of merging.The small galaxy above the two (PGC 4019986), is thought to be either originally a satellite galaxy or possibly a result of the gravitational interaction, is now more thought to be a part of the merger. This merger is about 450 million light-years away in the constellation Hercules, a part of the Hercules Cluster, which is a part of the Great Wall