What does ultra-diffuse mean?
Ultra-diffuse means Extremely diffuse..
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Pronunciation varies by accent · adjective
Extremely diffuse..
In the next sections we study the properties of galaxies that satisfy our criteria to be ultra diffuse, and consider the contribution from galaxies in the fore- and background using the CFHTLS fields.
The galaxy, called NGC1052-DF2, is about 65 million light years away. It is almost as big as the Milky Way but is “ultra-diffuse,” meaning it contains just a vanishing fraction of the stars found in our galaxy—only 1 percent, in this case.
Use ultra-diffuse when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Ultra-diffuse means Extremely diffuse..
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In the next sections we study the properties of galaxies that satisfy our criteria to be ultra diffuse, and consider the contribution from galaxies in the fore- and background using the CFHTLS fields.
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