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image of Bootis-virgo-leo
May

May Night Sky Wonders

In our latest night sky guide we look at the stars of late spring and early summer and ponder just what does the brightness of a star really mean. We are now well into the merry month of May and the nights are getting much warmer. The beauty and majesty Read more…

By Armagh Observatory and Planetarium, 9 years6 years ago
March

The March Night Sky: Celestial Dreamings

What can you see in the March 2011 night sky? Mary Bulman has the answers, beginning with a tale from the folklore of Australia’s Aboriginal people. Did you ever look up at the sky on a clear starry night and wonder where the stars came from? I am going to Read more…

By Armagh Observatory and Planetarium, 9 years6 years ago
Stars

Aldebaran: Red Giant at the Eye of the Bull

To observers on Earth, the great bull of Taurus has a fiery red eye. This is Aldebaran, an old red giant star which dwarfs our Sun. Let’s have a closer look at the facts and fiction about this aging star.   If you go out after dark on a winter’s Read more…

By Armagh Observatory and Planetarium, 9 years3 years ago
Comets and Asteroids

Have you seen the Zodiacal Light?

The Zodiacal light is a rarely seen yet intriguing spectacle in a dark sky. Sinead McNicholl reveals the connection between the zodial light and a famous rockstar! Have you ever noticed a whitish glow in the night sky which appears to extend upwards in the shape of a triangle or Read more…

By Armagh Observatory and Planetarium, 9 years9 years ago
Image of Orion_Nebula
December

Wonders of the December Sky

The long and dark nights of December feature some spectacular and easy to spot treats for the stargazer. In our regular guide to the night sky, Martina Redpath tells us all about the  celestial wonders of December 2010’s night sky. As the year draws to a close, preparation for the Read more…

By Armagh Observatory and Planetarium, 9 years5 years ago
Planets

The bluffer’s guide to Saturn

  Ask anyone to draw a picture of a planet and I’ll bet they draw a ringed planet like Saturn. This giant world has always stood out from the other worlds of the Solar System thanks to its amazing rings, in astronomy books it was ‘The Ringed Planet’. Thirty years Read more…

By Armagh Observatory and Planetarium, 9 years5 years ago

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Welcome to Astronotes

Hello and welcome to Astronotes, the Armagh Observatory and Planetarium’s official blog. Here you will find the latest news and views from all those who work in our organisation, 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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