A cluster of reddish-white galaxies. An inset image provides a closer look at one of them, which is being gravitationally lensed.

SDSS J1531+3414

NASA's Hubble Space Telescope photographed a 100,000-light-year-long structure that looks like a string of pearls twisted into a corkscrew shape winds around the cores of the two massive galaxies. The “pearls” are superclusters of blazing, blue-white, newly born stars.

Credits: NASA/ESA