Astronomer's Periodic Table - Periodic Table of Videos

[imantisocial]

this is BRILLIANT

[MarkArandjus]

Oh yeah, astronomy is so metal \m/

[ConnorXV]

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

[ConnorXV]

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

[whiterottenrabbit]

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

[racheljayne2404]

why is iron so important ? x

[moogenmeister]

The related video on Sixty Symbols explains the importance of iron. The formation of an iron core in a massive star can lead to a supernova explosion, which distributes all the elements throughout the galaxy.

[Notyouraverageperson]

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)

[lollipopbrigade]

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

[entoris476]

it makes the core and make a super nova :P

[Ducky1138]

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.

[Muvlonion]

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

[KlaxonCow]

Even if you're not a believer in the Big Bang, the essential point being made in this video is still valid.

Hydrogen and helium fuel stars - so these elements must have been around before the stars formed, because that's essentially what stars are made of.

Stars are essentially massive nuclear fusion reactors.

So the other elements - "metals" in the astronomer's view - are created by the fusion going on in the star (and the heaviest elements are created when the star goes supernova).

[KlaxonCow]

Thus, if you insist on "God did it" rather than Big Bang theory, the only real alteration to this video that needs to be made is the removal of the words "formed in the Big Bang" to be replaced with "which God magically created".

Otherwise, the rest is just atomic theory and empirical observations, as it applies to stellar evolution.

(If you don't believe in atomic theory then I really can't help you - as, after all, what are you doing watching this channel at all, if that's the case?)

[00a00s00d00f00]

made me lol

[icthus560]

please tell me this is just a joke and there aren't really Astronomers out there with a three element table hanging in their office.

[sussexpenguin]

interesting stuff. more please.

[tybo09]

LOL...

I'd love to have had to memorize this table!

:-)

[Burrito1515]

My name's Omar too

[buzzausa]

Hydrogen, helium and metals.......yeah...that simplifies things a bit.

:D

[lukacarroll]

im not religious, nor do i believe in intelligent design,

but to say that someone is stupid or stubborn to believe in such a thing is extremely ignorant.

the whole thing about the christian faith and many other religions is that god is not part of our science.

lets say you were to create a software program, which has its own rules or capablities.

do you all of a sudden become subject to these rules? of course not.

if god was real, he could easily make himself undetectable.

[Squagnut]

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.

[lukacarroll]

i said nothing about schools, and i agree with you, school is there to educate about factual things, its not there to teach values, thats the parents job.

dont get me wrong, i said im not religious, i dont believe in a god, i was just trying to encourage people to be a little more empathetic to people who are religious,

and to be more open minded and see that it isnt as ridiculous as most people believe.

[Squagnut]

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.

[lukacarroll]

i didnt even say creationism,

intelligent design doesnt just cover the six days and adam and eve and what not,

but anything in which the construction of our universe was initiated by some sort of sentient entity.

and anyway, even if it was the typical adam and eve story,

if god has control over everything who's to say he just isnt making it scientifically discernible?

[periodicvideos]

@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!

[tehinfidel]

Agreed! Thanks for these videos, 60 symbols, and Bibledex, U Nottingham!

I'm a nontheist currently drudging through 2 Chronicles on my way through my first full reading, and I really enjoy the extra information and fleshing out that you're doing in the Bibledex project.

Cheers for all of your hard work on all three projects.

[Jornev]

"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.

[periodicvideos]

@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!

[Squagnut]

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.

[periodicvideos]

@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!!!:)

[sliver321123]

It was sort of interesting but I'm not watching the "detailed" explanation of "Big boom = hot stuff gets flung".

:D

[milootis10]

The only people who don't believe in the big bang theory are close-minded conservative protestants and "Sojaofdapepo".

[juggliac]

not really... even evolutionists don't all believe in the big bang.

[Envergure]

Wow, what a naive comment. What about the socialist Protestants? And Catholics, you can't forget about them. And also all the other religions which make up the majority of the world's population. And all the non-religious people who are sceptics of the Big Bang theory. And you spelled "closed-minded" wrong.

[K2Tanner]

To be fair the big bang isn't really proven fact. I know einstein lived decades ago, but he never accepted it. I do accept the big bang, but really only because much more knowledgeable seem to. I don't have enough knowledge of cosmology or physics to really support my own ideas.

[guitardbucket]

Awesome.

[K2Tanner]

Can you guys make a video about the different colors transition metals make in solutions? I found out today I need to know that for my ap chem exam. But really if you did that would be awesome.

[Sojaofdapepo]

a lot of astronomes are very incorrect and it's because they think life came from a big bang, i would much rather use the chemist's periodic table because it's realistic they deal with things they can see feal and touch astronomers are kind of 50% dreamer 30% scientist 20% wishfull thinking

[WalkViking]

You are correct, people who win nobel prizes are wrong, you should be awarded the nobel prize in physics for debunking the big bang theory.

Or, maybe you're incorrect?

[Sojaofdapepo]

there have been many scientist that have debunked the big bang theory and the theory of evolution look it up. obama got a nobel peace prize, for shit! so i really don't care about your prizes

[WalkViking]

1. I have been presented with the "evidence", and it is generally just a load of comforting lies, often brought about by ignorance, sometimes wilful ignorance, other times not.

2. Obama did win the Nobel peace prize, and I never said that I supported that. Also, you don't win the nobel prize for physics unless you've actually accomplished something outstanding. These prizes are given to the finest scientists, if you care about them or not doesn't devalue them in any way.

[K2Tanner]

I don't know anyone who thinks that life came from the big bang.

[Sojaofdapepo]

the theory of evloution starts out with the big bang theory, any one you know that belives in evolution belives life came from a big bang

[Keylimedelight]

The universe could have started a different way than the big bang and it wouldnt have any impact on evolution. Evolutionary theory only comes into effect once you have life and doesnt cover the origin of life. The origin of life falls under the theory of Abiogenesis.

So while most people who believe in evolution also believe in the big bang, you could also say most people who believe in evolution believe in electromagnetism. One doesn't really have bearing on the other.

[damme]

No it doesn't.

[Squagnut]

In a way, Sojaofdapepo, you're right. There are many people who have adopted a rational evidence-based approach to understanding the origins of the universe, of life, and of humans.

The most popular alternative to this is an irrational scripture-based approach, which has been demonstrated time and again to be nonsense, but it makes a lot of people feel a bit better about their otherwise meaningless lives. And many people find it very profitable to promote this approach.

Take your pick.

[K2Tanner]

Life developed billions of years after the big bang. Its not like life came directly from the big bang. That is the way your comment sounded. I suppose by causality you can say that without the big bang there would have never been life but your comment was grammatically ambiguous. Study a little more english before you chem homework.

[K2Tanner]

ahhh I just failed. Misspelled "your".

[Envergure]

Nobody who knows what they're talking about thinks life came from the big bang. Either they believe some form of creationism or "intelligent design," or they think abiogenesis occurred. Personally, I think it would be a bit depressing if everything just existed by chance for no good reason.

[K2Tanner]

I understand you wanting to apply meaning to things, but science doesn't give things that sentimental value. Science explains the how of things, not the why.

Intelligent design and creationism fail as science because they lack empirical evidence in the face of criticism. They are just conjecture usually brought about from strongly held beliefs people adopted as young children or at turning points in their life.

[padime]

so cool :)

[TheSheepFactory]

I Think I'm Starting to Like Chemistry Now xD

[DaDaWgLLS]

I much prefer the astronomer's periodic table. MUCH easier to remember. ;D

[MeLL1eJ]

haha, yea :P

[kayronjm]

Hehe nice video Omar. I can see that eye-popping"ly" large iMac is still around your office!

[4jonah]

Okay, I've been wondering this for a while.

With the synthetic elements like 112 and 114 that were just confirmed, though they were made in a lab, the fusions were natural (albeit brief)

So I am wondering: is it POSSIBLE that elements like 112 and 114 exist in star formations, even for a split second?

If not, why not?

[Squagnut]

(IANAC) I'd guess that it's possible, yes - it would have to happen in a supernova, as stars form elements up to iron. I'd also guess that this is entirely hypothetical and impossible to prove, but it seems unlikely to me that it wouldn't happen, given that we can find every stable element on Earth.

[Squagnut]

Pedant alert! Brady, you have two typos in the video description, both swapping an m for an s. Sorry to be a fusspot.

[leporidus]

Hydrogen is a non-metal? What about solid and liquid metallic hydrogen in gas giants like Saturn and Jupiter? (Asked only half-jokingly.)

[Intervene]

cool

[MeMeMaestroll]

0:25 lol @ almost laughing

[Squagnut]

I think I've just found out why I like astronomy. It makes chemistry so much simpler!

[magick205]

I was really thinking that the astronomers version would also be weighted to the relative abunance in the visible universe (Huge amounts of H, smaller He, miniscule amount of "metals"). Suprise!

[jhony357]

I would had love that periodic table during my organic chemistry classes :|

[f1ax]

Hmm.. ok ok... Lemme think about this a sec..... erm......Ohh yes he talks shait! :D rofl. Pretty funny tho ;p

[bullets0000]

I have never imagined that halogens, oxygen and nitrogen are metals!! LOL

[Halo3ForumEurope]

I'd never have guessed that non-metals are really metals. XD

[TheReasonWhyGuy]

I love that :D

Simple

[Armzan]

you're pathetic.... you get enjoyment from being first comment... that shows how much your life must suck

[mecrazy5]

Its just a harmless bit of fun.

Don't get all hormonal on me.

[clarkkent999]

yeah and fail!

[mecrazy5]

???