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!
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![A few years ago there was a vogue among historians to write about òÀØcounterfactualsòÀÙ.A counterfactual examines the importance of an event for subsequent history by asking what if that event […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/11/image-of-N1-on-pad-115x115.gif "Russia’s Rival to Apollo")
Russia’s Rival to Apollo
Posted on November 25, 2011 | 6 CommentsA few years ago there was a vogue among historians to write about òÀØcounterfactualsòÀÙ.A counterfactual examines the importance of an event for subsequent history by asking what if that event […] -
![Studying galaxies and clusters in many wavelengths of light tells astronomers more than a single image ever could. Imaged with the MPG/ESO 2.2-metre telescope at the La Silla Observatory in […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/11/Image-of-NGC4666-in-Xray-115x115.jpg "Secrets of a Starburst Galaxy")
Secrets of a Starburst Galaxy
Posted on November 24, 2011 | 1 CommentStudying galaxies and clusters in many wavelengths of light tells astronomers more than a single image ever could. Imaged with the MPG/ESO 2.2-metre telescope at the La Silla Observatory in […] -
![Helene is a tiny moon of Saturn that shares an orbit with the much larger moon Dione. Helene reposes at a gravitationally stable position called a Lagrange point. Helene orbits […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/11/image-of-helene-115x115.jpg "Image of the Month: Helene")
Image of the Month: Helene
Posted on November 18, 2011 | No CommentsHelene is a tiny moon of Saturn that shares an orbit with the much larger moon Dione. Helene reposes at a gravitationally stable position called a Lagrange point. Helene orbits […] -
![The Leonids are one of the many annual meteor showers. The name comes from how they appear to emerge from the constellation Leo- the term for their apparent point of […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/11/Image-of-Leonids-115x115.jpg "Wonders of the November Sky: Leonids Meteor Shower")
Wonders of the November Sky: Leonids Meteor Shower
Posted on November 17, 2011 | No CommentsThe Leonids are one of the many annual meteor showers. The name comes from how they appear to emerge from the constellation Leo- the term for their apparent point of […] -
![Here is possibly the only joke in all of astronomy. Two spiral galaxies walk into a pub. The first one goes up to the bar and asks for two drinks, […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/11/image-of-NGC-1672-115x115.jpg "NGC 1672 and the Only Joke in Astronomy")
NGC 1672 and the Only Joke in Astronomy
Posted on November 14, 2011 | 1 CommentHere is possibly the only joke in all of astronomy. Two spiral galaxies walk into a pub. The first one goes up to the bar and asks for two drinks, […] -
![What was the Star of Bethlehem? Recorded only in the Gospel of Matthew, this mysterious celestial object is said to have heralded the Nativity. For millennia stargazers have wondered what […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/11/Image-of-mystery-of-xmas-star-115x115.jpg "6 Theories about the Star of Bethlehem")
6 Theories about the Star of Bethlehem
Posted on November 10, 2011 | 19 CommentsWhat was the Star of Bethlehem? Recorded only in the Gospel of Matthew, this mysterious celestial object is said to have heralded the Nativity. For millennia stargazers have wondered what […] -
![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 clear night sky is a thing of beauty and wonder. Thousands of scattered stars twinkle in the darkness. What are the stars? How do they live and die? Could […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/10/Image-of-NGC-3603-115x115.jpg "What are the stars?")
What are the stars?
Posted on October 14, 2011 | 2 CommentsA clear night sky is a thing of beauty and wonder. Thousands of scattered stars twinkle in the darkness. What are the stars? How do they live and die? Could […] -
![Before Yuri Gagarin made the historic first orbit around the Earth in 1961, animals had already visited the unknown. They were used to collect medical data and to test the […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/10/image-of-laika-115x115.jpg "10 Animal Space Travellers")
10 Animal Space Travellers
Posted on October 14, 2011 | 1 CommentBefore Yuri Gagarin made the historic first orbit around the Earth in 1961, animals had already visited the unknown. They were used to collect medical data and to test the […] -
![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 […]