haiguise

5 ms·

1. 1.▲
   by haiguise 11mo ago

   https://github.com/clsid2/mpc-hc
2. 2.▲
   A formula for the area of a triangle: Useless, but explicitly in Deep Sets form(arxiv.org)

   3 points by haiguise 2y ago|0 comments
3. 3.▲
   by haiguise 2y ago

   Looks like that might get reverted [0]. [0] https://github.com/numpy/numpy/pull/25955
4. 4.▲
   by haiguise 5y ago

   Yes, see for example http://mesa.sourceforge.net/index.html which is a stellar evolution code used a lot in astrophysics.
5. 5.▲
   by haiguise 6y ago

   The dark spot is the shadow and the faint circle is the moon.
6. 6.▲
   by haiguise 6y ago

   Yup, the more massive a star the short it lives. The Sun for example will live around 10 billion years, whereas a star 10 times the mass of the Sun will only live for 30 or so million years. Using some hand-wavy arguments you could say that
7. 7.▲
   by haiguise 6y ago

   CNO fusion does happen but at a fraction of the rate of pp fusion at the core temperature of the Sun. CNO fusion is more efficient in the sense that it is much more strongly temperature dependent. For pp fusion, the rate goes with T^4, but
8. 8.▲
   by haiguise 6y ago

   See for example MESA http://mesa.sourceforge.net/index.html an open source set of modules for software experiments in stellar astrophysics, which is still actively developed.