
This is a newsletter about space, physics, and the cosmos. It’s for people who are curious about the stars and the planets, the telescopes we’ve sent to explore them, and our efforts to reach beyond the Earth and out into a vast and dangerous cosmos.
| Platform | Pricing | Freemium | Publishes | Twice weekly | |
|---|---|---|---|---|---|
| Issues | 227 | Founded | 4 years ago | Last Issue | 6 days ago |
| Active | |||||

One hour of satellite trails over the Atacama Desert. Image credit: F. Kamphues, ESO/M. Kornmesser.
Until the moment Sputnik launched in 1957, the night sky remained a wilderness untouched by the hand of Man. People who looked up, and who...
The shockwave created by the enormous speed of Zeta Ophiuchi. This star may have been cast out by the same supernova that spread ash across our world. Image credit: NASA/JPL-Caltech.
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Thanks for reading The Quantum Cat, a newsletter covering space, physics, and the exploration of both. If you have been enjoying the newsletter, I wanted to share what paid subscribers have been reading and what com...
The corona streaming around the Moon during the solar eclipse of August 2017. Credit: Miloslav Druckmüller, Peter Aniol, Shadia Habbal/NASA Goddard, Joy Ng.
Far out in space, far beyond the orbits of Neptune and Pluto, beyond even that of...
On ancient ideas of nothingness
The first principles of the universe are atoms and empty space; everything else is merely thought to exist.
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The writers behind this newsletter.
Exploring the relationship between humanity and science | Physicist | Space Missions Engineer | http://thequantumcat.substack.com
Samreet Singh Dhillon is a physics postgraduate and science communicator. His field of interest is Quantum Field Theory and Cosmology. He loves to read books and watch movies.
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