Our Furnace

Antonio_Petruccelli_Sun_Cutaway1.jpg (201 KB)

The Sun’s vast sphere, 864,000 miles in diameter contains 335 billion cubic miles of violently hot gasses that weigh more than 2,000 quadrillion tons. Direct study can probe no deeper than the sun’s double atmosphere (the tenuous outer corona and the shallow, inner chromosphere) and it’s surface skin (the photosphere), because only the energy from these two zones reaches the earth after a 93-million mile journey in the form of visible light or invisible radiation. Yet the density, temperature and composistion of gasses in the suns’s hidden interior have been calculated, and astrophysicists know the nuclear processes that make them burn…

via Sci-Fi-O-Rama

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    7 Responses to Our Furnace

    1. The sun is a mass of incandescent gas….

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    2. last sentence = wut wut wtf

      Reply

    3. So it’s pretty hot, yeah?

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    4. The sun is a mass of incandescent gas, a gigantic nuclear furnace. etc. from They Might Be Giants’s album Here Comes Science! It’s great! Pick it up!

      Also, my understanding is astrophysicist and particle physicists have actually imaged the heart of the sun using neutrinos! Think about that!

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    5. My eyes are burning just looking at that

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