- What is Entropy? (johncarlosbaez.wordpress.com)
It’s easy to wax poetic about entropy, but what is it? I claim it’s the amount of information we don’t know about a situation, which in principle we could learn. But how can we make this idea precise and quantitative? To focus the discussion I decided to tackle a specific puzzle: why does hydrogen gas at room temperature and pressure have an entropy corresponding to about 23 unknown bits of information per molecule?
- Mebsuta (stars.astro.illinois.edu)
MEBSUTA (Epsilon Geminorum). The name, strikingly similar to and easily confused with Mekbuda (the Zeta star of Gemini), “Mebsuta,” also in Gemini, has a similar origin.
- Epsilon Geminorum (Wikipedia)
Epsilon Geminorum or ε Geminorum, formally named Mebsuta /mɛbˈsuːtə/, is a star in the constellation of Gemini, on the outstretched right ’leg’ of the twin Castor. The apparent visual magnitude of +3.06 makes it one of the brighter stars in this constellation. The distance to this star is determined at 860 light-years (260 parsecs).