Shany Danieli

The most accurate distance measurement yet of ultra-diffuse galaxy (UDG) NGC1052-DF2 (DF2) confirms beyond any shadow of a doubt that it is lacking in dark matter. The newly measured distance of 22.1 +/-1.2 megaparsecs was obtained by an international team of researchers led by Zili Shen and Pieter van Dokkum of Yale University and Shany Danieli, a NASA Hubble Fellow at the Institute.

Read articles by and featuring IAS scholars and scientists exploring the intertwining architecture of Rubenstein Commons; puzzling galaxies devoid of dark matter; and the intellectual journey of Polish mathematician Stanislaw Ulam (1909–84). Meet the Institute’s new Director and Leon Levy Professor David Nirenberg and Wendy Brown, UPS Foundation Professor in the School of Social Science. Also included are Q&As with Zachariah Cherian Mampilly, Member in the School of Social Science, and Nadia Zakamska, Member in the School of Natural Sciences.

Click to download a PDF of the Fall 2021 Letter—or read the digital edition here