Supernova Remnant Cassiopeia A: Cool Images of Hot Gas

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Detail. JWST (NASA, ESA, CSA, STScI, D. Milisavljevic (Purdue University), T. Temim (Princeton University), I. De Looze (University of Gent))'s NIRCam image: Cassiopeia A (Cas A) in in near-infrared light. Red, green, and blue were assigned to 4.4, 3.56, and 1.62 microns. (image released December 10, 2023)

That's more than just a pretty picture. Well, part of a pretty picture.

It's our latest look at the Cassiopeia A supernova remnant. Webb's high-resolution cameras are showing details that scientists have never seen before....

...That's what I started talking about this week.

But the Cassiopeia A supernova's underwhelming appearance, or maybe non-appearance, reminded me of famines, coffeehouses, and other malign menaces.

So here's what I had, Friday afternoon:

More at A Catholic Citizen in America.

(Latest NIRCam image from Webb Telescope: highest resolution look so far at the supernova remnant Cassiopeia A. I also talk about coffeehouses.)

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