Website review: Neutron stars
chronophasiac discovered this in Astronomy
•4 reviews since Aug 14, 2004
astronomy
•astro.umd.edu/~miller/nstar.html
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chronophasiac discovered 48 months ago- Imagine a spherical body roughly the size of Chicago and weighing as much a star, one whose magnetic fields alone could tear you apart at the subatomic level. Neutron stars are second only to black holes when it comes to physical extremes.
- Essive rated 22 months ago
- I sent a question to Ask a Physicist about Neutron Stars and he led me to this site. Great resource and not just neutrons :)
- Losgrinn rated 31 months ago
- A useful resource on the subject of neutron stars
- Inertial-Mass rated 47 months ago
- Deeper yet, at a density around 4x10^11 g/cm^3, you reach the "neutron drip" layer. At this layer, it becomes energetically favorable for neutrons to float out of the nuclei and move freely around, so the neutrons "drip" out. Even further down, you mainly have free neutrons, with a 5%-10% sprinkling of protons and electrons. As the density increases, you find what has been dubbed the "pasta-antipasta" sequence. At relatively low (about 10^12 g/cm^3) densities, the nucleons are spread out like meatballs that are relatively far from each other. At higher densities, the nucleons merge to form spaghetti-like strands, and at even higher densities the nucleons look like sheets (such as lasagna). Increasing the density further brings a reversal of the above sequence, where you mainly have nucleons but the holes form (in order of increasing density) anti-lasagna, anti-spaghetti, and anti-meatballs (also called Swiss cheese).
