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colin johnston

Exoplanets

Proxima b: Meet Our New Neighbour

Astronomers have made the exciting discovery of an Earth-mass exoplanet in the habitable zone of our nearest neighbouring star, Proxima Centauri, a red dwarf star 4.25 light years (1.3 parsec) from the Sun. The new-found world, designated Proxima b, is a little more massive than the Earth, implying that it Read more…

By Armagh Observatory and Planetarium, 5 years4 years ago
August

The August 2016 Night Sky

It’s August and suddenly the nights are getting a bit longer so what is there to see in our night sky this month?     Everyone should watch out for August’s amazing Perseid Meteor Shower. You probably know already that there are a number of regular meteor showers over the Read more…

By Armagh Observatory and Planetarium, 5 years4 years ago
June

The June 2016 Night Sky

Let us go outside somewhere in Northern Ireland about midnight on 15 June 2016 and see what there is to see in the sky.   Hercules. Muscular hero and demi-god! Killer of the Hydra! Victor over the Nemean Lion! Slayer of giants! Crusher of Cancer the Crab! And he didn’t Read more…

By Armagh Observatory and Planetarium, 5 years4 years ago
Human Exploration

15 Questions about the Moon Landings

Armstrong and Aldrin were the first two people on the Moon when Apollo 11 landed there in July 1969. This astonishing achievement (which it should not be forgotten was followed by five more successful landings) continues to fascinate our readers who are still eager to learn more about the details. Read more…

By Armagh Observatory and Planetarium, 5 years4 years ago
Human Exploration

Shaking Hands in Orbit: the Apollo-Soyuz Test Project

The space programmes of the USA and USSR began in a spirit of bitter Cold War rivalry but by the early 1970s internation tensions had eased a little into a détente and what had been unthinkable ten years earlier was possible. In 1975 the world saw the historic meeting in Read more…

By Armagh Observatory and Planetarium, 6 years4 years ago
Concept Spacecraft

No, NASA has not verified an impossible space drive!

June 2014 saw excited reports that NASA was working on a faster than light warp drive starship. Astonishingly, weeks later we are being told that NASA has also successfully tested a device which could push along a space vehicle without consuming any propellant. If true, this would be an astonishing Read more…

By Armagh Observatory and Planetarium, 7 years4 years ago
Concept Spacecraft

Whatever Happened to Photon Rockets?

Could humanity ever travel to the stars? Today this is an unattainable dream but world-wide researchers are studying the possibilities of starships. One concept for an interstellar craft is the photon rocket, an idea once popular but less prominent today. What happened to this appealing idea for voyaging into deepest Read more…

By Armagh Observatory and Planetarium, 7 years4 years ago
Image of Sagan and Viking
Solar System

Carl Sagan’s Cosmic Legacy

November 9 is Carl Sagan Day when enthusiasts of astronomy and science remember and celebrate the life and works of Carl Sagan. Why is Sagan honoured in this way? Let us look back at the man and his career.     It seems impossible to research the Solar System and Read more…

By Armagh Observatory and Planetarium, 7 years4 years ago
Concept Spacecraft

Nazis in Space: The Truth about Hitler’s Space Program

Has lurid fiction like the movie Iron Sky any basis in fact?  Everyone knows that WW2 Germany developed rockets far in advance of the Allies, but some argue that in 1945 the Third Reich was on the verge of developing a space program!   Ever since Adolf Hitler’s ‘Thousand Year’ Read more…

By Armagh Observatory and Planetarium, 10 years4 years ago
Image of C-1057 concept
Concept Spacecraft

10 Space Shuttles which never flew

NASA’s Space Shuttles have become a familar sight in their thirty years of service, but there have been other shuttle designs which never left the ground.Some were ingenious alternative concepts to the vehicle which is shortly to be retired, some were potential replacements and there was even a couple of Read more…

By Armagh Observatory and Planetarium, 10 years4 years ago

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RSS Intergalactic Craic
  • The Safest Dinner Party of 2020
    For the last episode of Season 1, Heather and Courtney suggest their ideal astronomy guests to a dinner party. They cover some of humanity's greatest astronomical achievements as well as discuss some of the rumours surrounding a particular famous astronomer's party behaviour! Need Some Space?
  • Turning Back The Clock - The History of AOP
    Join Heather and Special Guest Host Dr Rok Nezic as they delve into the archives and discuss the history of the Armagh Observatory and Planetarium through their favourite objects. Clocks, books, instruments and rooms, they've got it all covered, and they have a bit of craic along the way.
  • Vampires, Zombies and... Bowties? Oh My!
    This week Intergalactic Craic has some added spook for your Autumn. Vampire stars, zombie stars and spooky nebulae will all be discussed by Courtney and Heather. Need Some Space?
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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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