Astronomy

Metonic Cycle: The 19-Year Cycle of the Moon

What is the Metonic Cycle of the moon? Here's a very interesting question which many astronomers would initially imagine is easy to answer: "If you saw the full moon above Orion tonight,...

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Metonic Cycle: The 19-Year Cycle of the Moon

What is the Metonic Cycle of the moon? Here's a very interesting question which many astronomers would initially imagine is easy to answer: "If you saw the full moon above Orion tonight,...

4 comments

The Cosmic Vision of Ireland's Ancient Astronomers

Dark Skies - Unraveling the cosmic vision of Ireland's Ancient Astronomers. An article by Anthony Murphy published as the cover story in the July 2008 issue of Astronomy & Space...

The Cosmic Vision of Ireland's Ancient Astronomers

Dark Skies - Unraveling the cosmic vision of Ireland's Ancient Astronomers. An article by Anthony Murphy published as the cover story in the July 2008 issue of Astronomy & Space...

Old Irish Zodiac - the constellations of the Zo...

Old Irish Zodiac - the constellations of the Zodiac as they are known in the Irish language.

Old Irish Zodiac - the constellations of the Zo...

Old Irish Zodiac - the constellations of the Zodiac as they are known in the Irish language.

How on Earth did Newgrange Handle Leap Year

In this article, Gillies MacBain examines whether the builders of Newgrange were aware of the leap year – how they might have discovered it and what they might have done...

How on Earth did Newgrange Handle Leap Year

In this article, Gillies MacBain examines whether the builders of Newgrange were aware of the leap year – how they might have discovered it and what they might have done...

The Equinoxes - What Significance did they have...

What did equinox mean to a Neolithic astronomer? Anthony Murphy examines our definition of the equinoxes and how this would not have been relevant in the Stone Age. So why...

The Equinoxes - What Significance did they have...

What did equinox mean to a Neolithic astronomer? Anthony Murphy examines our definition of the equinoxes and how this would not have been relevant in the Stone Age. So why...

Anthony's Photographic Prints of Astronomy

Photos of the sun, moon, stars, planets and astronomical phenomena. I have been an astronomer since I was a young boy. It is the oldest of my hobbies.