Cosmology http://pjhickey.edublogs.org A collection of .mp3s about Cosmology Wed, 30 Sep 2009 06:16:08 +0000 http://wordpress.org/?v=2.8.2 en hourly 1 Stages of a Stars Life http://pjhickey.edublogs.org/2009/04/11/stages-of-a-stars-life/ http://pjhickey.edublogs.org/2009/04/11/stages-of-a-stars-life/#comments Sat, 11 Apr 2009 06:15:54 +0000 pjhickey http://pjhickey.edublogs.org/?p=77

Stars start out as gas particles in a nebula. Under gravity these particles come together. As the temperature rises the star begins to shine called a protostar. All stars progress through a main sequence. Toward the end of a stars life it will grow to be a supergiant. Depending the the available mass of the star there are a number of outcomes.

 

 

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Supergiant stars may contain multiple energy sources within shells. Hydrogen in the outer shell burns into the heavier element Helium giving off heat energy and light. The Helium in the inner shell burns into Carbon and Oxygen. The star is getting hotter towards the core. Ultimately the star may contain heavy metals like Iron and Nickle at  the core.

 

]]> http://pjhickey.edublogs.org/2009/04/05/supergiant-stars/feed/ 0 Telescope Viewing http://pjhickey.edublogs.org/2009/03/02/telescope-viewing/ http://pjhickey.edublogs.org/2009/03/02/telescope-viewing/#comments Mon, 02 Mar 2009 12:45:08 +0000 pjhickey http://pjhickey.edublogs.org/?p=67  

Friday 23th October on the school oval.

Weather permitting 7pm start.

Finish around 9:30 p.m. 

It could be cold so wear warm clothing.

  

Make sure that your parents are aware and make suitable arrangements for a safe trip home.

]]> http://pjhickey.edublogs.org/2009/03/02/telescope-viewing/feed/ 0 The Milky Way http://pjhickey.edublogs.org/2009/03/02/the-milky-way/ http://pjhickey.edublogs.org/2009/03/02/the-milky-way/#comments Mon, 02 Mar 2009 12:38:21 +0000 pjhickey http://pjhickey.edublogs.org/?p=65 Information on the Milky Way milky-way-galaxy.

]]> http://pjhickey.edublogs.org/2009/03/02/the-milky-way/feed/ 2 Constellations Stars and Galaxies http://pjhickey.edublogs.org/2009/03/02/constellations-stars-and-galaxies/ http://pjhickey.edublogs.org/2009/03/02/constellations-stars-and-galaxies/#comments Mon, 02 Mar 2009 12:36:19 +0000 pjhickey http://pjhickey.edublogs.org/?p=61 Part of the talk on Constellations Stars and Galaxies constellations stars and galaxies .

]]> http://pjhickey.edublogs.org/2009/03/02/constellations-stars-and-galaxies/feed/ 0 Astronomy Dictionary http://pjhickey.edublogs.org/2009/02/27/astronomy-dictionary/ http://pjhickey.edublogs.org/2009/02/27/astronomy-dictionary/#comments Fri, 27 Feb 2009 12:30:58 +0000 pjhickey http://pjhickey.edublogs.org/?p=60 A wonderful illustrated dictionary of Astronomy terms can be found here.

 

]]> http://pjhickey.edublogs.org/2009/02/27/astronomy-dictionary/feed/ 0 Big Bang http://pjhickey.edublogs.org/2009/02/27/big-bang/ http://pjhickey.edublogs.org/2009/02/27/big-bang/#comments Fri, 27 Feb 2009 12:22:04 +0000 pjhickey http://pjhickey.edublogs.org/?p=58 big-bang

]]> http://pjhickey.edublogs.org/2009/02/27/big-bang/feed/ 0 Kepler’s Laws http://pjhickey.edublogs.org/2009/02/27/keplers-laws/ http://pjhickey.edublogs.org/2009/02/27/keplers-laws/#comments Fri, 27 Feb 2009 12:15:44 +0000 pjhickey http://pjhickey.edublogs.org/?p=56 keplers-laws

]]> http://pjhickey.edublogs.org/2009/02/27/keplers-laws/feed/ 0 Naming Stars http://pjhickey.edublogs.org/2009/02/27/naming-stars/ http://pjhickey.edublogs.org/2009/02/27/naming-stars/#comments Fri, 27 Feb 2009 12:14:17 +0000 pjhickey http://pjhickey.edublogs.org/?p=54 naming-stars

]]> http://pjhickey.edublogs.org/2009/02/27/naming-stars/feed/ 0 Why do constellations move? http://pjhickey.edublogs.org/2009/02/27/why-do-constellations-move/ http://pjhickey.edublogs.org/2009/02/27/why-do-constellations-move/#comments Fri, 27 Feb 2009 12:09:44 +0000 pjhickey http://pjhickey.edublogs.org/?p=51 why-do-constellations-move

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