Orion OB1 is a star-forming region located in the constellation of Orion. It is part of a larger molecular cloud complex and is known for its bright, young stars. The region is approximately 1,500 light-years away from Earth and contains several open clusters, including the well-known Orion Nebula. The stars in Orion OB1 are relatively young, with ages ranging from a few million to about 10 million years. This area is significant for astronomers studying stellar formation and evolution, as it provides insights into how stars and planetary systems develop in similar environments across the universe.