How Big Is a Neutron Star Compared to New York?

Illustration for article titled How Big Is a Neutron Star Compared to New York?

NASA Goddard Space Flight Center has created this image to illustrate the size of a neutron star, the "crushed core of a star that has exploded as a supernova" and packs half a million times the mass of Earth.

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Look at its ridiculous size. A neutron star is smaller than Brooklyn! [NASA]

DISCUSSION

SkipErnst
SkipErnst

What exactly do you call the center of a neutron star? I guess it's a solid, right? But since it is so dense, is it a different form of matter in some way? Is it all elements high up on the periodic chart?

Physics gets weird in these kinds of edge cases.