Detail of Young Cluster and HII Regions
August 22, 2005
A detail of the Whirlpool Galaxy (M51) showing a small part of one spiral arm. It reveals brilliant, blue clusters of young, hot stars embedded in vast clouds of glowing gas and darker dust.
Topics: Environment, Extragalactic astronomy, Spiral galaxies, Astronomy, H II region, Canes Venatici constellation, Whirlpool Galaxy, Unbarred spiral galaxies, Messier objects, Open cluster, Galaxy