Sam Usman

Two-panel image. Left panel: supernova explosion with elements from the periodic table flying out. Right panel: red giant star with pullout showing its atmosphere contains those same elements.

Our paper on the Barbenheimer Star is now published in ApJL! iopscience.iop.org/article/10.3... We at @sdssurveys.bsky.social find evidence for an ancient explosion of an unusually massive star that should have collapsed to a black hole. Thread and 🔭
Image: UChicago/SDSS-V/Melissa Weiss

31.01.2024 16:41 — 👍 25    🔁 8    💬 1    📌 0

Pro-Palestine protestors hung huge banners off the UChicago astronomy / molecular engineering building.

08.12.2023 16:41 — 👍 1    🔁 0    💬 0    📌 0

I've perfected explaining spectroscopy to Gen X laymen: "You know the cover of the Pink Floyd's Dark Side of the Moon? Our telescope works like that, but super precise."

17.11.2023 21:21 — 👍 2    🔁 0    💬 0    📌 0

From this week's LGBT+ STEM conference, I've learned that you can be "authentically you" at Boeing, all while building bombs to send to Israel! Great, so inclusive! /s

12.11.2023 06:10 — 👍 2    🔁 0    💬 0    📌 0

Oh that explains so much!

04.11.2023 18:17 — 👍 0    🔁 0    💬 0    📌 0

I just watched Child's Play (1988) for the first time and I'm super impressed with how lifelike Chucky's movement is! How did they do that??

04.11.2023 02:28 — 👍 0    🔁 0    💬 1    📌 0

Samantha Usman recieved a UChicago LGBTQ+ Community Engagement Award | News | Department of Astronom... The Department of Astronomy & Astrophysics is a world leader in astrophysical research and offers rigorous academic programs at both the graduate and undergraduate level.

I gave the opening remarks for an event for the Center of Sexuality and Gender Studies here at UChicago last night.
Figuring out how to talk about myself without sounding like a self-centered jerk was way harder than talking about Milky Way star clusters...

03.11.2023 21:01 — 👍 3    🔁 0    💬 0    📌 0