Welcome to Astronotes
Hello, I’m Colin, welcoming you to Astronotes, the Planetarium’s 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!
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Earth Archive
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To the Edge of Space
Posted on February 2, 2012 | 2 CommentsWhere does space begin? Let’s look up into our planet’s atmosphere, that shell of nitrogen (about 78%), oxygen (about 20%), various other gases (2%) that makes life on Earth possible,... -
Eternity in 365 days
Posted on January 23, 2012 | 1 CommentThe Universe is 13.75 billion years old. It is easy to say, but what does that mean in Earthly terms? Let’s squeeze the whole history of the Universe into a... -
Hello Earth!
Posted on January 19, 2012 | No CommentsFewer than 600 people have ever seen our world from space and only a couple of dozen have travelled far enough away to seen the Earth as a planet against... -
Why We Will Never Conquer Space
Posted on December 1, 2011 | 5 CommentsSpace will never be conquered! Sad, but true. Let me explain how I’ve reached this conclusion. Planet Earth is big! The furthest you can travel from home across the... -
Another Earth?
Posted on September 26, 2011 | 2 CommentsThe belief that mankind is unique in our universe has not been proven otherwise. So what if one day we discover we as humans are not one of a kind,... -
Image of the Month: You are here!
Posted on August 31, 2011 | No CommentsThis portrait of the Earth and Moon together in space was taken on 26 August by NASA’s Juno spacecraft which is currently en route for Jupiter. The image was made... -
Ice Worlds: A Cool New Show at Armagh Planetarium
Posted on June 20, 2011 | No CommentsIce Worlds, one of Armagh Planetarium’s Digital Theatre shows for Summer 2011, is a thrilling tour through space and time showcasing some of the most beautiful and chilly regions of... -
7 Must See Wonders of the Universe
Posted on March 30, 2011 | 3 CommentsProfessor Brian Cox has been back on our screens this month in his latest BBC2 series Wonders of the Universe. Over the past few weeks, the Prof has guided us... -
3 reasons why astronomy should give you nightmares
Posted on March 28, 2011 | 2 CommentsThere are cosmic threats to life on Earth. Hiding in the depths of space are things lethal beyond imagining. One day the End will be nigh for real. A forthcoming... -
Following a rainbow back to the Big Bang
Posted on September 27, 2010 | No CommentsHere’s how rainbows are made. Some 13.7 billion years ago, a mere millionth of a second after the Big Bang, the first hydrogen and helium nuclei condensed out of a...