Orion’s Belt is one of the most familiar asterisms in the night sky, along with the Big Dipper and the Southern Cross. It is formed by three massive, bright stars located in our galaxy, in the direction of the constellation Orion, the Hunter: Alnilam, Alnitak and Mintaka. Two of the three stars are supergiants.
The Horsehead Nebula is a famous diffuse dark nebula found in the Orion Molecular Cloud Complex in the constellation Orion. It is a dark cloud composed of dust and gas where star formation is taking place. The nebula is also known as Barnard 33, and is located in the emission nebula IC 434. The Horsehead … [Read more…]