NASA's Hubble Presents a Holiday Globe of Stars

December 20, 2023 10:00AM (EST)Release ID: 2023-020
A collection of stars and galaxies fill the scene against a dark background. The image is dominated by a dense collection of stars which make up the irregular galaxy UGC 8091. The stars span a variety of colors, including blue and orange, with patches of blue occupying the central part of the galaxy. There are also visible circular regions of red/pink gas within the galaxy.

Summary

Dwarf Irregular Galaxy Springs to Life with Dazzling Newborn Stars

Hubble’s colorful snapshots show that the universe always looks like it's in a holiday spirit. The dwarf irregular galaxy UGC 8091 is an opulent example. The dizzying interplay of matter and energy bubbles up to create dazzling blue, newborn stars that look like a festive string of lights. They are swaddled in glowing cocoons of hot, pink hydrogen gas. The galaxy is a collection of approximately 1 billion stars. That sounds like a lot, but it is 1/100th the stellar population inside our full-grown Milky Way galaxy.

This little galaxy came late to the party. The early universe was awash in dwarf galaxies that eventually merged to build up the majestic spiral galaxies around us today. Located 7 million light-years away, UGC 8091 more recently started showing off a glittering tapestry.

Full Article

The billion stars in galaxy UGC 8091 resemble a sparkling snow globe in this festive Hubble Space Telescope image from NASA and ESA (European Space Agency). The dwarf galaxy is approximately 7 million light-years from Earth in the constellation Virgo. It is considered an "irregular galaxy" because it does not have an orderly spiral or elliptical appearance. Instead, the stars that make up this celestial gathering look more like a brightly shining tangle of string lights than a galaxy. Some irregular galaxies may have become tangled by tumultuous internal activity, while others have formed ...

Read More on NASA.gov

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