The Quantum Cat

The Quantum Cat

The Week in Space and Physics: The Hubble Constant

On the Hubble constant, Fomalhaut's rings, a huge cosmic explosion and hints of catastrophe around Saturn

Alastair Williams
May 16, 2023
∙ Paid
An orange oval extends from the 7 o’clock to 1 o’clock positions. It features a prominent outer ring, a darker gap, an intermediate ring, a narrower dark gap, and a bright inner disk. At the center is a ragged black spot indicating a lack of data.
A set of rings around Fomalhaut appear with startling clarity in a new image from the James Webb Space Telescope. Image credit: NASA, ESA, CSA, A. Gáspár (University of Arizona). Image processing: A.…
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