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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Our Galaxy Archive
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![We live in a galaxy òÀÓ a star city with several hundred billion residents. Moreover, we know our Milky Way is a spiral galaxy, with prominent arms of bright young […]](http://www.armaghplanet.com/blog/wp-content/uploads/2016/03/image-of-NGC2997-115x115.png "Explorers of the Galaxy (Part 1)")
Explorers of the Galaxy (Part 1)
Posted on March 4, 2016 | No CommentsWe live in a galaxy òÀÓ a star city with several hundred billion residents. Moreover, we know our Milky Way is a spiral galaxy, with prominent arms of bright young […] -
![Peer deep into the constellation Sagittarius and you will find a spectacular young star cluster and its associated stellar nursery. These are M8 and the Lagoon Nebula. More than […]](http://www.armaghplanet.com/blog/wp-content/uploads/2015/07/image-of-M8-star-forming-region-115x115.jpg "A Spectacular View of the Lagoon Nebula")
A Spectacular View of the Lagoon Nebula
Posted on July 28, 2015 | No CommentsPeer deep into the constellation Sagittarius and you will find a spectacular young star cluster and its associated stellar nursery. These are M8 and the Lagoon Nebula. More than […] -
![Seventy thousand years ago our world, unmarked by agriculture and industry, was a very different planet. Back then Earth was shared by at least four separate types of human being. […]](http://www.armaghplanet.com/blog/wp-content/uploads/2015/02/image-of-red-dwarf-flare-115x115.jpg "Did a Wandering Star Light Up Ancient Skies?")
Did a Wandering Star Light Up Ancient Skies?
Posted on February 18, 2015 | 1 CommentSeventy thousand years ago our world, unmarked by agriculture and industry, was a very different planet. Back then Earth was shared by at least four separate types of human being. […] -
![Once we believed we lived in an absolutely typical planetary system. Around the Sun, small rocky planets huddle close in taking months or years to complete an orbit while huge […]](http://www.armaghplanet.com/blog/wp-content/uploads/2014/06/image-of-kepler-10c-115x115.jpg "Kepler-10c: the First Mega-Earth")
Kepler-10c: the First Mega-Earth
Posted on June 4, 2014 | 1 CommentOnce we believed we lived in an absolutely typical planetary system. Around the Sun, small rocky planets huddle close in taking months or years to complete an orbit while huge […] -
![The discovery of new planets beyond our Solar System has further expanded on what we thought we knew about what is out there. These distant extrasolar planets or exoplanets have […]](http://www.armaghplanet.com/blog/wp-content/uploads/2013/09/image-of-Kepler-62f-115x115.jpg "Exoplanets Glossary")
Exoplanets Glossary
Posted on September 27, 2013 | 5 CommentsThe discovery of new planets beyond our Solar System has further expanded on what we thought we knew about what is out there. These distant extrasolar planets or exoplanets have […] -
![òÀÜMars is red, Earth is Blue, WeòÀÙve discovered lots of new worlds, And one of them is blue too!òÀÝ So IòÀÙm not a poet and I definitely know it! Nevertheless, […]](http://www.armaghplanet.com/blog/wp-content/uploads/2013/08/blue-exoplanet-115x115.jpg "The Blue Planet")
The Blue Planet
Posted on August 30, 2013 | 1 CommentòÀÜMars is red, Earth is Blue, WeòÀÙve discovered lots of new worlds, And one of them is blue too!òÀÝ So IòÀÙm not a poet and I definitely know it! Nevertheless, […] -
![On Saturday 22 July 2013, I took a look around the summer night sky through the eyepieces of the Planetarium’s 12 inch Dobsonian telescope. It was a beautiful clear evening. […]](http://www.armaghplanet.com/blog/wp-content/uploads/2013/08/image-of-M13-115x115.jpg "A Summer Night’s Stargazing")
A Summer Night’s Stargazing
Posted on August 20, 2013 | 2 CommentsOn Saturday 22 July 2013, I took a look around the summer night sky through the eyepieces of the Planetarium’s 12 inch Dobsonian telescope. It was a beautiful clear evening. […] -
![Astronomers world-wide are thrilled by news of a nova, just visible to the unaided eye in the constellation Delphinus (the Dolphin), just beside the familiar Summer Triangle. Why are they […]](http://www.armaghplanet.com/blog/wp-content/uploads/2013/08/image-of-nova-system-115x115.jpg "See a Nova in Delphinus Tonight!")
See a Nova in Delphinus Tonight!
Posted on August 19, 2013 | 2 CommentsAstronomers world-wide are thrilled by news of a nova, just visible to the unaided eye in the constellation Delphinus (the Dolphin), just beside the familiar Summer Triangle. Why are they […] -
![Our Solar System is old. Our best estimates from radiometric dating of meteorites suggest the Sun and its planets (including Earth) were forming some 4.6 billion years ago. The Universe […]](http://www.armaghplanet.com/blog/wp-content/uploads/2013/08/image-of-oldest-star-115x115.jpg "The Star Older Than the Universe?")
The Star Older Than the Universe?
Posted on August 13, 2013 | 22 CommentsOur Solar System is old. Our best estimates from radiometric dating of meteorites suggest the Sun and its planets (including Earth) were forming some 4.6 billion years ago. The Universe […] -
![Looking up in to the night sky itòÀÙs not difficult to see why the ancient Greeks believed that all the stars in the night sky were fixed on a celestial […]](http://www.armaghplanet.com/blog/wp-content/uploads/2013/06/image-of-magellanic-clouds-115x115.jpg "How Far Away is the Farthest Star?")
How Far Away is the Farthest Star?
Posted on June 17, 2013 | 52 CommentsLooking up in to the night sky itòÀÙs not difficult to see why the ancient Greeks believed that all the stars in the night sky were fixed on a celestial […]