“ This is a deep image of the Sword of Orion - the three stars that make up the weapon hanging off the belt of this famous celestial hunter. The image showcases the amazing mix of physical and optical.
The Great Nebula in Orion an immense, nearby starbirth region, is probably the most famous of all astronomical nebulas. Here, glowing gas surrounds hot young stars at the edge of an immense interstellar molecular cloud only 1500 light-years away.
A Wolf-Rayet Bubble Nebula surrounds a Wolf-Rayet star. There are different types of WR-nebula, based on their formation mechanism: regions nebulae bubbles hydrogen voids and shells (may be assoc. The nebula shown is a 'wind-blown bubbles' type