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Dorado

Other Galaxies

Image of the Month: The Tarantula Nebula

Our Image of the Month was released to celebrate the 22nd anniversary of the NASA/ESA Hubble Space Telescope and is a striking panoramic look at a stellar nursery which is fizzing and crackling with energy as it pops out thousands of new stars.   The small southern hemisphere constellation Dorado Read more…

By Armagh Observatory and Planetarium, 9 years9 years ago
Star types from left to right: a red dwarf, our Sun, a blue dwarf, and R136a1 (hypergiant). Where star sizes are measured by radius, from centre to surface, and where 1 solar radius is equal to that of our Sun (km) - R136a1’s radius is 35.4 times greater than the Sun [approximately 24.8 million km]. Credit: Author: ESO/M. Kornmesser
Stars

The Largest Stars in the Universe

How big is the largest known star? Compared to planets, stars will always be the overall group winners in terms of superior size. When you look at the night sky on a clear night and away from city lights, you will see that there are stars of varying sizes and Read more…

By Armagh Observatory and Planetarium, 9 years8 years ago
Other Galaxies

NGC 1672 and the Only Joke in Astronomy

Here is possibly the only joke in all of astronomy. Two spiral galaxies walk into a pub. The first one goes up to the bar and asks for two drinks, one for him and one for his friend. The barman looks suspiciously at the second spiral galaxy and says “I’m Read more…

By Armagh Observatory and Planetarium, 9 years9 years ago
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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