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26 Cosmic Photos from the Hubble Space Telescope's Ultra Deep Field

Galaxies on a Collision Course in the Hubble Ultra Deep Field Image

NASA, ESA S. Beckwith (STScI) and the HUDF Team

The Hubble Ultra Deep Field captured these galaxies on course to collide with their closest neighbors.

Edge-On Spiral Galaxy Collides With Small Blue Galaxy in Hubble Ultra Deep Field Image

NASA, ESA S. Beckwith (STScI) and the HUDF Team

A spiral galaxy, seen here edge-on, collides with a smaller, younger blue galaxy in the Hubble Ultra Deep Field Image.

Birth of a Supernova

NASA, ESA, A. Riess (Space Telescope Science Institute and The Johns Hopkins University), and S. Rodney (The Johns Hopkins University)

Three snapshots from the Hubble Ultra Deep Field reveal the birth of a Type 1a supernova, a “standard candle” for measuring the expansion of the universe. Nicknamed SN Primo, this supernova is the most distant of its type ever discovered. Read the full story here.

Tiny Galactic Building Blocks Spotted

NASA/ESA/N. Pirzkal

A view of Hubble's Ultra Deep Field, where several objects are identified as the faintest, most compact galaxies ever observed in the distant Universe. They are so far away that we see them as they looked less than one billion years after the Big Bang. Read the full story.

Hubble eXtreme Deep Field (XDF)

NASA, ESA, G. Illingworth, D. Magee, and P. Oesch (University of California, Santa Cruz), R. Bouwens (Leiden University), and the HUDF09 Team

The best image of the cosmos yet taken. The eXtreme Deep Field, which is the center of the original Hubble Ultra Deep Field, nearly 5,500 galaxies were captured after many hours of light collection. [VIDEO: Hubble's Extreme Deep Field Sees Farther Back In Time]

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