Young, Hot Stars in a Spiral Arm of the Whirlpool Galaxy (M51)
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.
NASA, ESA, S. Beckwith (STScI), and The Hubble Heritage Team (STScI/AURA)