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What it is : The irregular gnome galaxy UGC 8091
When it was unveil : Jan. 1 , 2024
UGC 8091 is a dwarf irregular galaxy about 7 million light-years away from our solar system.
Where it is:7 million light - years off , in the constellation Virgo
Why it ’s so special : We live in a " sumptuous aim " galaxy , with two prominent spiral arms that together contain up to 100 billion stars , harmonize toNASA . But how theMilky Wayandother exchangeable galaxiesbecame so integrated and well defined is a mystery to astronomers . Could the key fruit be tiny , mussy galaxies like UGC 8091 ?
Imaged here by theHubble Space Telescope , UGC 8091 is an irregular dwarf galaxy thought to survive in the same Local Group as the Milky Way . astronomer think there are about 20 galaxies in this clump , most of them either oviform — the oldest and most evolved type of extragalactic nebula — or spiral , like the Milky Way . idle , messy gnome galaxies like UGC 8091 are often touch to as " galactic construction blocks , " since great , more complex galaxy are opine to grow as small 1 immix , agree tothe Hubble site . Dwarf galaxies may have help to reheat the hydrogen that had cooled as the universe of discourse expanded after the Big Bang , harmonise toNASA .
The scarlet regions of the image are likely interstellar hydrogen molecule that are glow because they have been commove by the light from spicy , energetic stars , fit in toNASA . The image also shows older mavin and , in the background , remote galaxies .
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The image was make using data from Hubble ’s full Field Camera 3 and Advanced Camera for Surveys between 2006 and 2021 . Twelve camera filters were needed to make the image , because the Hubble data include light the human eye can not see , from mid - ultravioletto the ruddy destruction of the seeable spectrum .
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