The Interstellar Internet
March 26th, 2012 |
16
A speculative but intriguing discussion that sometimes crops up when talking to people engaged in exoplanetary science goes like this; let’s suppose that we find an unmistakably terrestrial style planet around a relatively nearby star (less than about 30 light years away), perhaps even around one of the Alpha Centauri members, a touch over four [...]
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The molecules that made the universe
August 2nd, 2011 |
5
“We are starstuff”, it’s a well-used phrase in popular astronomy (yes, we are. The nuclei of most heavy atoms in your body were forged long before our solar system existed, a million kilometers down inside the cores of long-since-gone massive stars). “We contain matter as old as the universe” (absolutely. Pretty much all the hydrogen [...]
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