Welcome to Astronotes
Hello, IòÀÙm Colin, welcoming you to Astronotes, the PlanetariumòÀÙs official blog. Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. We hope you will come here to learn what is hot and exciting, profound or even weird from worlds beyond ours . So that's the introduction out of the way, now on with the Universe!
Visit Our Main Website
-
physics Archive
-
![The aurora is a stunning celestial event associated with EarthòÀÙs polar regions. Recently Ireland has been witness to this beautiful phenomenon. If you are standing looking up at the […]](http://www.armaghplanet.com/blog/wp-content/uploads/2012/01/IMG_1216-115x115.jpg "Northern Lights: Coming to a Sky Near You?")
Northern Lights: Coming to a Sky Near You?
Posted on January 13, 2012 | No CommentsThe aurora is a stunning celestial event associated with EarthòÀÙs polar regions. Recently Ireland has been witness to this beautiful phenomenon. If you are standing looking up at the […] -
![Our galaxy, the Milky Way, is just one of an enormous number of galaxies spread throughout a vast Universe, which is expanding.Everyone knows these facts now, but how do we […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/10/image-of-virgo-galaxies-115x115.jpg "Our Place in the Expanding Universe")
Our Place in the Expanding Universe
Posted on October 20, 2011 | 1 CommentOur galaxy, the Milky Way, is just one of an enormous number of galaxies spread throughout a vast Universe, which is expanding.Everyone knows these facts now, but how do we […] -
![A long, long time ago when the first stars and galaxies were forming, the Universe was filled with electrically neutral hydrogen. This thin soup of gas absorbed ultraviolet light and […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/10/Image-of-early-galaxies-115x115.jpg "Light from the End of the Dark Ages")
Light from the End of the Dark Ages
Posted on October 13, 2011 | 2 CommentsA long, long time ago when the first stars and galaxies were forming, the Universe was filled with electrically neutral hydrogen. This thin soup of gas absorbed ultraviolet light and […] -
![Neutrinos travel faster than light! The science world is agog at this unexpected announcement from CERNˆà in Switzerland. This result has to be verified, for if true it seems that […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/09/Image-of-sn1987a_-115x115.jpg "Are Neutrinos Faster Than Light?")
Are Neutrinos Faster Than Light?
Posted on September 26, 2011 | 12 CommentsNeutrinos travel faster than light! The science world is agog at this unexpected announcement from CERNˆà in Switzerland. This result has to be verified, for if true it seems that […] -
![We have been celebrating the first Neptunian year since the discovery of the eighth (and as far as we know last) planet in the Solar System. NeptuneòÀÙs discovery was a […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/07/Image-of-simulated-Mercury-transit-115x115.jpg "Vulcan: the Solar System’s Ghost Planet")
Vulcan: the Solar System’s Ghost Planet
Posted on July 19, 2011 | 4 CommentsWe have been celebrating the first Neptunian year since the discovery of the eighth (and as far as we know last) planet in the Solar System. NeptuneòÀÙs discovery was a […] -
![Time is among the most mysterious of fundamental quantities. Time was originally defined and quantified through astronomy, and today astronomers are used to glibly talking of vast stretches of time. […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/05/image-of-Tarantula-nebula-115x115.jpg "Timespace: The Who, What and When")
Timespace: The Who, What and When
Posted on May 27, 2011 | 1 CommentTime is among the most mysterious of fundamental quantities. Time was originally defined and quantified through astronomy, and today astronomers are used to glibly talking of vast stretches of time. […] -
![Green Lantern has for decades guarded Earth and beyond from evil in the pages of comic books but the cosmic superhero is about to face his greatest challenge: can he […]](http://www.armaghplanet.com/blog/wp-content/uploads/2013/07/image-of-pulsar-115x115.jpg "The Science of Green Lantern")
The Science of Green Lantern
Posted on May 9, 2011 | 9 CommentsGreen Lantern has for decades guarded Earth and beyond from evil in the pages of comic books but the cosmic superhero is about to face his greatest challenge: can he […] -
![Our Image of the Month is a radically different view of the great spiral galaxy in Andromeda from the European Space Agency. Tracy McConnell explains how it was made and […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/01/Image-of-andromeda-in-IR-and-xrays-115x115.jpg "Image of the Month: Andromeda through different eyes")
Image of the Month: Andromeda through different eyes
Posted on January 20, 2011 | No CommentsOur Image of the Month is a radically different view of the great spiral galaxy in Andromeda from the European Space Agency. Tracy McConnell explains how it was made and […] -
![NASA’s next manned spacecraft will be the Orion, a capsule which will be carried into space by a rocket. Weighing 25 tonnes, each Orion will carry up to six people. […]](http://www.armaghplanet.com/blog/wp-content/uploads/2010/10/Image-of-Orion-nuclear-rocket-115x115.jpg "Project Orion: the incredible nuclear spacecraft")
Project Orion: the incredible nuclear spacecraft
Posted on October 1, 2010 | 3 CommentsNASA’s next manned spacecraft will be the Orion, a capsule which will be carried into space by a rocket. Weighing 25 tonnes, each Orion will carry up to six people. […] -
![What is light? Here’s an easy introduction to the electromagnetic spectrum all the way from radio waves to gamma rays. Before the modern era of technological astronomy, to know anything […]](http://www.armaghplanet.com/blog/wp-content/uploads/2010/10/diagram-of-electromagnetic-spectrum-115x115.jpg "What is light?")
What is light?
Posted on October 1, 2010 | 4 CommentsWhat is light? Here’s an easy introduction to the electromagnetic spectrum all the way from radio waves to gamma rays. Before the modern era of technological astronomy, to know anything […]