Ultra-diffuse
"Ultra-diffuse" in a Sentence (2 examples)
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.
More for "ultra-diffuse"
Next best steps
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.