The Space & Beyond Blog

Dwarf galaxies in the Local Group and beyond

Likely the building blocks of massive galaxies, dwarf galaxies saturate the universe.

A dwarf galaxy cluster

The galaxy cluster in this image is SDSS J0333+0651. Clusters such as this help astronomers understand how galaxies evolved in the early universe. Credit: ESA/Hubble & NASA

A dwarf galaxy showing a cluster of stars

The Sculptor dwarf galaxy is one of the companions of the Milky Way galaxy. Credit: ESA/Hubble, Digitized Sky Survey 2

A horizontal cluster of stars

The Wolf-Lundmark-Melotte (WLM) dwarf galaxy is one of our Local Group’s galaxies. WLM sits on the outer edge of the group and has likely never interacted with any of the other galaxies in our group, making it a lone wolf. Credit: ESO

A sky chart showing a zoomed in area of the Leo constellation where young dwarf galaxies reside

For the first time, researchers spy dwarf galaxies forming from nothing but pristine gas leftover from the early universe using NASA’s Galaxy Evolution Explorer. Credit: NASA/JPL-Caltech/DSS

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