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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astronomy history Archive
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![James Moriarty (?-1891) was one of the greatest of the many astronomer-mathematicians who flourished in the nineteenth century, however among the general public his scientific accomplishments are forgotten. Mention his […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/12/image-of-lutetia-115x115.jpg "Professor Moriarty: a Great but Forgotten Astronomer")
Professor Moriarty: a Great but Forgotten Astronomer
Posted on December 15, 2011 | 4 CommentsJames Moriarty (?-1891) was one of the greatest of the many astronomer-mathematicians who flourished in the nineteenth century, however among the general public his scientific accomplishments are forgotten. Mention his […] -
![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 […] -
![The debris from a vast cosmic explosion, the Crab Nebula in Taurus is a well-known spectacle. But what is it and how was it formed? On 4 July 1054 […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/10/Image-of-Crab_Nebula-115x115.jpg "The Mysterious Heart of the Crab")
The Mysterious Heart of the Crab
Posted on October 7, 2011 | 1 CommentThe debris from a vast cosmic explosion, the Crab Nebula in Taurus is a well-known spectacle. But what is it and how was it formed? On 4 July 1054 […] -
![In more than twenty years of hard work, the Hubble Space Telescope (HST) has made both beautiful images and profound discoveries, sometimes doing both at the same time. What are […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/09/image-of-2009-Hubble-Ultra-Deep-Field-115x115.jpg "As Far as Our Eyes Can See")
As Far as Our Eyes Can See
Posted on September 29, 2011 | 1 CommentIn more than twenty years of hard work, the Hubble Space Telescope (HST) has made both beautiful images and profound discoveries, sometimes doing both at the same time. What are […] -
![The 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, […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/09/Image-of-AnotherEarth-115x115.jpg "Another Earth?")
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, […] -
![Once planets orbiting other stars were unknown as they could not be directly observed. Several decades ago one astronomer was certain he had found the planets of a nearby star […]](http://www.armaghplanet.com/blog/wp-content/uploads/2010/12/Image-of-Red-Dwarf-companion-115x115.jpg "Barnard’s Star and its Phantom Planets")
Barnard’s Star and its Phantom Planets
Posted on August 4, 2011 | 2 CommentsOnce planets orbiting other stars were unknown as they could not be directly observed. Several decades ago one astronomer was certain he had found the planets of a nearby star […] -
![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 […] -
![Neptune, furthest planet from the Sun is celebrating its first birthday. It has been known ˆàto humans for only a single Neptunian year. Neptune, which is not visible with the […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/07/Image-of-Triton-and-Neptune-115x115.jpg "Happy Birthday Neptune!")
Happy Birthday Neptune!
Posted on July 18, 2011 | 2 CommentsNeptune, furthest planet from the Sun is celebrating its first birthday. It has been known ˆàto humans for only a single Neptunian year. Neptune, which is not visible with the […] -
![òÀÜIs there life on Mars?òÀÝ This must be one of the most-asked questions in astronomy. ˆàIn this article I am going to look at the historical background to this question. […]](http://www.armaghplanet.com/blog/wp-content/uploads/2011/03/Image-of-Sagan-and-Viking-115x115.jpg "The Truth about Life on Mars (Part 1)")
The Truth about Life on Mars (Part 1)
Posted on March 11, 2011 | 11 CommentsòÀÜIs there life on Mars?òÀÝ This must be one of the most-asked questions in astronomy. ˆàIn this article I am going to look at the historical background to this question. […]