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Astronomer's Periodic Table - Periodic Table of Videos

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Uploaded by on Nov 16, 2009

An astronomer shows us why the periodic table is much simpler through his eyes. More about the creation of the elements at http://www.youtube.com/watch?v=nhhdkYFmd7A

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Science & Technology

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  • @lukacarroll @Squagnut

    You guys should check out my other project on YouTube called Bibledex... Taking a non-religious book at all the books of the Bible... I'm enjoying the process and think a lot of the people who like my science channels will like that one too...

    If people get over their instant decision to hate it and actually watch them, they often like them!

    I suggest yo start with Genesis! :) Or you can just stick with the chemistry stuff!

  • "Taking a non-religious Look* at..." Sorry, I might just be slightly stupid but it took me a while to understand that was a typo so I thought it might be worth clarifying! Thanks for all these vids, and I'll definitely be checking out Bibledex.

  • @Jornev: Oh yeah, I meant look.... I think the bibledex videos are actually quite interesting and a few of the scientists in my chem and physics videos have even started watching them!

  • What a great channel! Bibledex is a youtube rarity - a channel which takes a critical look at the Bible without bashing or promoting religion. I wouldn't expect anything less, of course - you have excellent editorial skills and great source material on all your channels.

  • @Squagnut: Thanks for taking a look at Bibledex! If you can convince the other 18,499 periodicvideos subscribers to take a look, we might start building a following over there too!!!:)

Top Comments

  • I'm afraid we disagree here. Creationism is ridiculous, and the closer you look at it, the more ridiculous it becomes. An open mind is of far less value than a discerning mind.

    I do accept that religion isn't about to go away, and I happily concede that many religious people are also good decent people. Also, an entrenched "us vs them" battle is likely to be unproductive. But creationism is nonsense, and you'll have to provide some scientific evidence supporting it before I think otherwise.

  • Of course it's fine to believe in a god-created universe, if that's what makes you happy. What is unacceptable is to say that such belief should have any bearing on how evidence-based science is taught in schools. The problem is political; ID was rejected by US courts not because it's wrong, but because it's unconstitutional.

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  • this is BRILLIANT

  • Oh yeah, astronomy is so metal \m/

  • iron is more important because it has the highest binding energy of all the elements

  • Oh right I read it wrong lol. yes that is when the exothermic fusion ends.

  • Wouldnt it be called endothermic fusion as that means it will draw energy as opposed to supplying.

  • Iron is the dead-end for stars' exothermic fusion, meaning it requires energy to fuse anything bigger, and stars just want as much free energy they can get to hold their mass...

    The only way the other elemets could have been formed is by the final nova explosion forcing them to fuse, say an iron(26) atom, and a boron(6) will make gallium(31), and this must have continued in order for such heavy elements as gold(79) to have been produced.

  • it makes the core and make a super nova :P

  • A better reason for this is because iron Uses more energy than it produces,. a star has a equaliberium of Gravity and outward pressure. When iron is in Nuclear Fusion less energy is created to Make this Equaliberium possible So the star collapse into a Super nova, or hyper nova, But sometimes No nova is made, it just collapses into a white drawf, But the Product of supernova is A neautron star, pulsar (Fast roatating neautron star, and a black hole

  • Because no matter how hot or big a star gets, a star cannot fuse iron into heavier elements, thus creating energy. Soon after a star creates an iron core, gravity will start to collape it and make the star go supernova. (only in the large stars)

  • I especially like the shot of the elliptical star at 0:57.

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