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Kuiper Belt

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
Planets

Planet Nine from Outer Space

For those of you that are still bearing the psychological scars from Pluto’s demotion from planet to dwarf planet a decade ago, here is news that may add salt to the wounds. Published recently in the Astronomical Journal, Konstantin Batygin and Mike Brown claim they have found evidence of a Read more…

By Armagh Observatory and Planetarium, 7 yearsMarch 2, 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
July

The July Night Sky

July is here and that means it is officially the summer holidays. School is out and we are all planning our holidays either abroad or at home. Whether you leave the country or stay in it, there will be many things in the night sky to observe.   We start Read more…

By Armagh Observatory and Planetarium, 8 yearsJune 25, 2015 ago
Robot Exploration

How Did New Horizons Get to Pluto so Quickly?

Our Solar System is vast. We on Earth cruise around the Sun in an orbit with a radius of about 150 million km (93 million miles), but the most distant planet, Neptune, is about thirty times further from the Sun. Enormous distances and the limitations of rocketry means reaching the Read more…

By Armagh Observatory and Planetarium, 8 yearsJune 5, 2015 ago
Planets

New Horizons to Pluto

When Percival Lowell began the search for “Planet X” little did he know the countless arguments he would cause and effectively how these would lead to a seemingly ever changing solar system. “Planet X” was not the believed birthplace of the X-Men for anyone hoping for the possibility of super Read more…

By Armagh Observatory and Planetarium, 9 yearsSeptember 12, 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
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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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