infinity-imagined: Super Star Cluster Westerlund This cluster is so massive that it is expected to eventually evolve into a globular cluster. It hosts a dozen O-class hypergiant stars, each one with a luminosity - times greater than that of our Sun.
A rose made of galaxies *This image of a pair of interacting galaxies called Arp 273 was released to celebrate the anniversary of the launch of the NASA/ESA Hubble Space Telescope. Credit: NASA, ESA and the Hubble Heritage Team (STScI/AURA)
Hubble Ultra Deep Field 2014 - Astronomers using NASA's Hubble Space Telescope have assembled a comprehensive picture of the evolving universe — among the most colorful deep space images ever captured by the telescope. - Image Credit: NASA, ESA et al