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#806379 - 02/16/13 07:38 AM Astrofest 2013 - new article
Mona - Astronomy Offline
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Elephant

Registered: 05/01/10
Posts: 4987
Loc: United Kingdom

European Astrofest came of age in 2013, celebrating its 21st birthday. It was a memorable anniversary with a fantastic selection of speakers at sold-out lectures, busy exhibition stands, enthusiastic visitors, happy meetings and some sad farewells.

Astrofest 2013
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#806381 - 02/16/13 08:03 AM The Molecule that Made the Universe [Re: Mona - Astronomy]
Mona - Astronomy Offline
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Elephant

Registered: 05/01/10
Posts: 4987
Loc: United Kingdom
The first Astrofest talk was by Professor Steve Miller of University College London. He says that without one special molecule the universe could not have evolved as it did and we wouldn't be here!

The molecule is commonly known as tritium or, as he describes it, H-three-plus. Ordinary hydrogen has one proton and it has one electron, so it's electrically neutral. Hydrogen can have a proton & a neutron in the nucleus - this is known as deuterium. Tritium has a proton and two neutrons. H-three-plus is positively charged because it has no electron.

I don't know how it made the universe because I was at the airport meeting another speaker. But I've started reading Miller's book The Chemical Cosmos which I'll review when I've finished it.


Edited by Mona - Astronomy (02/16/13 09:09 AM)
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#806459 - 02/17/13 04:16 AM Re: Astrofest 2013 - new article [Re: Mona - Astronomy]
Mona - Astronomy Offline
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Elephant

Registered: 05/01/10
Posts: 4987
Loc: United Kingdom
Barry Madore gave a fascinating talk about galaxies in the ultraviolet, showing us some of the exciting and unexpected images from GALEX (Galaxy Evolution Explorer). We saw some previously unpublished examples which mean that ideas about the formation and evolution of galaxies needs revision.

But here's an example of the difference between what visible light tells us about a galaxy and what we can see in the ultraviolet. This is the spiral galaxy M81 and a satellite galaxy Holmberg IX .
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Mona Evans
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#806664 - 02/18/13 11:19 AM Re: Astrofest 2013 - new article [Re: Mona - Astronomy]
Mona - Astronomy Offline
BellaOnline Editor
Elephant

Registered: 05/01/10
Posts: 4987
Loc: United Kingdom
Some people went to great lengths to get a ticket for the conference sessions, as seen in this photo taken by Max Alexander.

"European Astrofest is the astronomer's rock and roll."


Edited by Mona - Astronomy (02/18/13 11:21 AM)
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#806684 - 02/18/13 02:27 PM Re: Astrofest 2013 - new article [Re: Mona - Astronomy]
doakori Offline
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Registered: 02/18/13
Posts: 14
I am a science student for this reason i always search new topics about astronomical matter.Please send me your new collection about astronomy.

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#806685 - 02/18/13 02:34 PM Re: Astrofest 2013 - new article [Re: Mona - Astronomy]
doakori Offline
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Registered: 02/18/13
Posts: 14
I hope You will post update topics in your site. I will be helpful by reading your new topics.

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#806710 - 02/18/13 10:14 PM Re: Astrofest 2013 - new article [Re: doakori]
Mona - Astronomy Offline
BellaOnline Editor
Elephant

Registered: 05/01/10
Posts: 4987
Loc: United Kingdom
Hell, Doakori, and welcome to the Forum.

The astronomy site has over 160 articles on different areas of astronomy. They're updated regularly and there is a new one each one.

The Astronomy on BellaOnline main page is here and you can look for articles on different topics.

Best wishes on your studies.
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