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New Horizons

Planets

5 Facts About… Pluto!

Now we weren’t going to leave out everyone’s favourite dwarf planet, were we?! Small but Mighty! Pluto is named after the Roman god of the Underworld, who coincidentally was also the god of wealth as diamond and other jewels supposedly came from the Underworld. It’s ironic that such a tiny Read more…

By Courtney Allison, 3 yearsJune 2, 2020 ago
Human Exploration

10 things we used to believe about Space

Space is forever changing. Here is a list of 10 things we used to believe about Space.

By Armagh Observatory and Planetarium, 4 yearsSeptember 3, 2018 ago
Planets

The Many Faces of the Solar System

New Horizon’s arrival at Pluto this year, after a nine year-long traverse through the Solar System has revealed many new things about this little icy planet. Pluto used to be the ninth planet but was demoted in 2006 to the status of dwarf planet. Until the New Horizons mission started Read more…

By Armagh Observatory and Planetarium, 7 yearsOctober 20, 2015 ago
Planets

New Horizons at Pluto

Nine years of waiting are over! New Horizons has been to Pluto! Well done humans!   Pluto has turned out to be slightly bigger than we thought having a diameter of 2370 km. This means Pluto is about 30km larger than Eris, making Pluto the largest known object in the Read more…

By Armagh Observatory and Planetarium, 8 yearsJuly 14, 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

How You Can Pick Pluto’s Placenames!

In July 2015, we will finally have our long-awaited closeup views of the dwarf planet Pluto and its moons when NASA’s New Horizons probe flies past the tiny and distant worlds. Assuming all goes well, suddenly we will have revealed to us about 25 million square kilometres of alien landscapes Read more…

By Armagh Observatory and Planetarium, 8 yearsMarch 24, 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, 8 yearsSeptember 12, 2014 ago
The Future

2014′s Space Odysseys

The year 2014 could see the first 3D printer brought into space, the first fare-paying passengers leave Planet Earth on the Virgin Galactic and the first test mission of a new vehicle called Orion that might one day take humans to Mars. Exciting stuff, bring on 2014! But what else Read more…

By Armagh Observatory and Planetarium, 9 yearsJanuary 8, 2014 ago
UFOs and Fringe Science

Clyde Tombaugh and the Mysterious Satellite

During the mid-19th century reports of strange motions in the orbits of Uranus and Neptune led astronomers, among them Percival Lowell, to think that perhaps another celestial body was having a gravitational effect on their paths through space. Lowell searched for a mysterious ninth planet until his death in 1916. Read more…

By Armagh Observatory and Planetarium, 9 yearsNovember 19, 2013 ago

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RSS Intergalactic Craic
  • 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!
  • Space is Cloudy, Who Knew? Featuring Kerem Çubuk
    This week Heather and Courtney interview Armagh Observatory PhD Candidate Kerem Çubuk on his area of research - molecular clouds! Turns out we can't escape the cloudy conditions, even millions of lightyears away.  Kerem and his colleagues also have a Youtube Channel dedicated to science communication in Turkish. To find out more, visit ahtapot.club 
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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