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Oort Cloud

Solar System

Who discovered? The Space Edition

Article written by: Heather Alexander Have you ever had a fun night out with friends, or a lazy day in with loved ones, or even just strolled down the street, and asked the question “Who discovered…?” I am the type of person who asks this question, frequently. Thanks goodness I Read more…

By Armagh Observatory and Planetarium, 5 yearsFebruary 9, 2018 ago
Solar System

The Curious Comet 96P/Machholz

Comets are small icy and rocky objects flying around our Solar System on elliptical orbits, as opposed to near-circular ones the planets are enjoying. They are strange and fantastic enough as it is: bright comets with their tails spanning across the sky have been marvelled at, recorded, and often feared Read more…

By Armagh Observatory and Planetarium, 5 yearsDecember 1, 2017 ago
Planets

Is it Planet 9, is it Planet X, or Both?

As a species we human beings are rather obsessed with the end of our world and how that is going to happen. From zombie apocalypses to giant asteroids hitting the Earth, we’ve pretty much thought of everything. However there is a new idea in town, and it makes giant asteroids Read more…

By Armagh Observatory and Planetarium, 7 yearsMay 17, 2016 ago
Comets and Asteroids

V774104: Could a Dark World Put a New Light on Solar System History?

Newly discovered small Solar System body V774104 may seem just another tiny, cold and remote world beyond Neptune but this is an important finding as its mere existence suggests that the wastes of the outer Solar System are considerably more populous than we thought a couple of decades ago.   Read more…

By Armagh Observatory and Planetarium, 7 yearsNovember 12, 2015 ago
Solar System

The Grand Tack

It is widely accepted that our Solar System was created about 4.6 billion years ago based on dating of meteorites. Scientists believe the Solar System formed when a cloud of dust was disrupted by the shockwave from the explosive death of a nearby star initiating its collapse into a stellar Read more…

By Armagh Observatory and Planetarium, 8 yearsSeptember 11, 2015 ago
Stars

Did a Wandering Star Light Up Ancient Skies?

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. Tough and sturdy Neanderthal folk hunted mammoths and built huts across the chilly forests, mountains and plains of Eurasia. Further Read more…

By Armagh Observatory and Planetarium, 8 yearsFebruary 18, 2015 ago
Comets and Asteroids

Comet Lovejoy is on the Way

Comet C/2014 Q2 (Lovejoy) was discovered in August 2014. Observers in the southern Hemisphere could see it throughout the last quarter of 2014. By December 2014 the comet could be seen in binoculars or a small telescope as a faint blob with a fainter still.   The comet spent the Read more…

By Armagh Observatory and Planetarium, 8 yearsDecember 23, 2014 ago
Comets and Asteroids

VP113 Comes Out of the Darkness

One of the latest members of the Solar System to be discovered, 2012 VP113 is a tiny isolated world in the outer Solar System. It’s attracting attention as it could one day help lead astronomers to discover a whole new planet.   Flying outward from the Sun, away from the Read more…

By Armagh Observatory and Planetarium, 9 yearsApril 2, 2014 ago
Comets and Asteroids

8 Things you need to know about Comet Siding Spring

With the let-down of the much anticipated Comet ISON you could be feeling that you have had your quota of comets for a while, but within one year of comet ISON’s sad demise, we are to be visited by another comet, Comet Siding Spring. Unlike ISON it has not been Read more…

By Armagh Observatory and Planetarium, 9 yearsMarch 21, 2014 ago
Comets and Asteroids

10 Things You Need to Know About Comet ISON

Comet ISON is here! This new comet was in January 2013 just a dim speck in the constellation Gemini, between the stars Castor and Pollux. Astronomers could not agree if it was going to develop into the greatest astronomical spectacle in a decade or into a dim and disappointing smudge- Read more…

By Armagh Observatory and Planetarium, 10 yearsJanuary 16, 2013 ago

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RSS Intergalactic Craic
  • S3Ep2 - Wee Bitta Craic: Bout Ye Zuri?
    In the latest Wee Bitta Craic episode, Alice and Ethan ask Zuri all about how she came to be at Armagh Observatory and Planetarium doing her PhD. Find out more about Zuri's journey to get to where she is today, and laugh along as the guys have quality banter. If you love listening to our […]
  • S3Ep1 - Wee Bitta Craic: Welcome Ethan, Alice and Zuri!
    Want a Wee Bitta Craic? Then say hello to some of our PhD students, Ethan, Alice and Zuri. They will be hosting their own Wee Bitta Craic episodes and will give you an insight into the life of a PhD students here at AOP!
  • Season 3 - What's the craic?
    What's the Craic? Intergalactic Craic is back and it's shaking things up! Join Heather and her brand new co-host to find out more!
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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