| Forks Forum photo of boys basketball Kurt Olson scores his thousandth point ---+11 May 2000 19:45:42 -0700 (PDT) From: John Barrett | Block address Subject: Energy from Nearby Brown Dwarfs We have seen that energy may be a limiting factor for long term human survival- whether on erth - where overheating of sun will become a problem- or on the outer planets, where fusion energy will eventually be the main fuel- how much hydrogen would be needed for 2-3 billion year survival on outer planets? It comes to mind that the outer planets are mostly hydrogen - it is sugggested their cores may be largely metallic hydrogen, which conducts electricity under pressure. A recent issue of Astronomy magazine suggests that brown drawfs are likely to turn up within a few light years. They might be excellent fuel sources, whether for my project of reducingt mass of sun, or for heating life on the rocky outer satellites. I still hope the best source of energy will be the sun itself. If advanced civilizations already exist in Milky Way galaxy, might we detect them diverting pulsar beams to places where they need energy? I see much progress on non-baryonic matter and other topics. I found article on June 1999 observation of sun's galactic rotation relative to galactic center - but I am still loooking for more on its motion relative to neighboring stars and glactic plane. |
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