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  1. ... Bang, things were dense enough and hot enough to fuse hydrogen to helium and duterium (and a little bit of lithium and boron) for a few minutes...

    2 Answers · Science & Mathematics · 26/12/2013

  2. ...life on Earth are based on hydrocarbon molecules because hydrogen and carbon can form complex molecules which can perform different functions...

    10 Answers · Science & Mathematics · 20/12/2013

  3. .... No, this isn't just reddening. In spectrography, the hydrogen emission lines for distant galaxies actually shift to the red end of the...

    7 Answers · Science & Mathematics · 18/12/2013

  4. ...than 8 x 10^-16 meters (for the smallest atom, an ionized hydrogen atom) So the Higgs is at least 40,000 times ...

    3 Answers · Science & Mathematics · 15/12/2013

  5. ... surprising that it is so scarce, even in our solar system. Hydrogen and oxygen are normally readily available just about everywhere in the universe, and the...

    8 Answers · Science & Mathematics · 12/12/2013

  6. ... to might walk, climb, or run. The surface gases are 82.5% hydrogen, 15.2% helium, and 2.3% methane. Scientists have calculated that the...

    10 Answers · Science & Mathematics · 14/12/2013

  7. If we assume the Sun was 100% hydrogen (rather than 71% actual), we'd start off with a mass of 1.989e30 kg with a fusion rate...

    5 Answers · Science & Mathematics · 13/12/2013

  8. ...imagine engineering a human to survive at such cold temperature with only methane and hydrogen, carbon dioxide and water ices, no solid surface to planet, crushing atmospheric...

    3 Answers · Science & Mathematics · 08/12/2013

  9. ...phase, the core of Helium is collapsing and there is a hydrogen burning shell around it. Once the helium burns (horizontal branch...

    1 Answers · Science & Mathematics · 03/12/2013

  10. There is more energy in pure hydrogen. Liquified hydrogen is the normal fuel ...fuel would be maybe 10 times larger than a hydrogen tank, and the fuel weight you are trying to lift...

    6 Answers · Science & Mathematics · 16/11/2013

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