Nebulas are places in space where stars form. Nebulas are made up of interstellar gas and dust. They are formed when old stars explode. Amd in turn, new stars are formed from the stellar material deposited in the nebula.
NASA's Hubble space telescope has captured image of Prawn Nebula, a massive stellar nursery. The nebula is 250 might-years wide and is situated at a distance of 6000 light-years away from Earth. Formally, the Prawn Nebula is called IC 4628.