Horsehead Nebula
The backlit wisps along the Horsehead's upper ridge are illuminated by Sigma Orionis, a young five-star system just out of view, while along the nebula's top ridge two fledgling stars peek out from their now-exposed nurseries.
The backlit wisps along the Horsehead's upper ridge are illuminated by Sigma Orionis, a young five-star system just out of view, while along the nebula's top ridge two fledgling stars peek out from their now-exposed nurseries.
Join the Discussion