What happens when matter is squashed to the brink of collapse? We weighed a neutron star to help NASA find out

Sat, 3 Aug 2024 12:32:42 +1000

Andrew Pam <xanni [at] glasswings.com.au>

Andrew Pam
<https://theconversation.com/what-happens-when-matter-is-squashed-to-the-brink-of-collapse-we-weighed-a-neutron-star-to-help-nasa-find-out-229813>

"Neutron stars are some of the most extreme objects in the universe. Formed
from the collapsed cores of supergiant stars, they weigh more than our Sun and
yet are compressed into a sphere the size of a city.

The dense cores of these exotic stars contain matter squashed into unique
states that we can’t possibly replicate and study on Earth. That’s why NASA is
on a mission to study neutron stars and learn about the physics that governs
the matter inside them.

My colleagues and I have been helping them out. We used radio signals from a
fast-spinning neutron star to measure its mass. This enabled scientists working
with NASA data to measure the star’s radius, which in turn gave us the most
precise information yet about the strange matter inside."

Cheers,
       *** Xanni ***
--
mailto:xanni@xanadu.net               Andrew Pam
http://xanadu.com.au/                 Chief Scientist, Xanadu
https://glasswings.com.au/            Partner, Glass Wings
https://sericyb.com.au/               Manager, Serious Cybernetics

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