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Universe

Cosmology

Timespace: The Who, What and When

Time is among the most mysterious of fundamental quantities. Time was originally defined and quantified through astronomy, and today astronomers are used to glibly talking of vast stretches of time. But even after Einstein showed time to be an elastic, changing thing we still have to resolve all its mysteries. Read more…

By Armagh Observatory and Planetarium, 10 years10 years ago
Other Galaxies

Image of the Month: War of the Galaxies!

An image from the European Southern Observatory, reveals two galaxies, NGC 3169 and NGC 3166, meeting in intergalactic space. What kind of cosmic drama ensues in these close encounters of galaxies? Once the Universe was a quiet and peaceful place. Galaxies serenely sailed through the void in splendid isolation. Today Read more…

By Armagh Observatory and Planetarium, 10 years10 years ago
Image of Crab Nebula
Universe

7 Must See Wonders of the Universe

Professor Brian Cox has been back on our screens this month in his latest BBC2 series Wonders of the Universe. Over the past few weeks, the Prof has guided us through the Universe as we’ve never seen it before! Our Universe is estimated to be around 13.7 billion years old, Read more…

By Armagh Observatory and Planetarium, 10 years10 years ago
Alien Life

What if we picked up a signal from outer space?

“The Day the Earth Stood Still”, “Contact”, “2001: A Space Odyssey” and many other movies have depicted the first contact between humans and aliens. Do scientists really listen for messages from extraterrestrials? Are they prepared if they ever do pick up anything? Martina Redpath investigates. We all at some point Read more…

By Armagh Observatory and Planetarium, 10 years10 years ago
Earth Satellites

Hubble Space Telescope: Ten amazing facts you didn’t know

Gleaned from NASA and Hubblesite.org, here are some facts you may not know about the Hubble Space Telescope (HST).   1.      The HST’s history is longer than you might have thought, going back to just after World War II. In 1946, the astronomer Lyman Spitzer (1914-97) identified the main advantages Read more…

By Armagh Observatory and Planetarium, 10 years3 years ago
Other Galaxies

Image of the Month: Baby stars of NGC 2841

NGC 2841 is a rather beautiful flocculent spiral galaxy. The Hubble Space Telescope recently imaged NGC 2841 as part of an investigation into how new stars are created. How do stars form? It is a question which intrigues astronomers and it is a very important one too with implications for Read more…

By Armagh Observatory and Planetarium, 10 years10 years ago
Other Galaxies

Image of the Month: Andromeda through different eyes

Our Image of the Month is a radically different view of the great spiral galaxy in Andromeda from the European Space Agency. Tracy McConnell explains how it was made and describes the stellar cataclysms it reveals. The inspiration here came from a new ESA image of M31, the Andromeda Galaxy, Read more…

By Armagh Observatory and Planetarium, 10 years6 years ago
Other Galaxies

The Hubble bubble?

The NASA/ESA Hubble Space Telescope continues to produce stunning images. Let’s examine a particularly pretty recent treat, revealing the aftermath of a cosmic disaster. Like so many beautiful astronomical sights, the delicate sphere in this delightful image is the remains of a cataclysmic event. About four centuries ago, a tiny Read more…

By Armagh Observatory and Planetarium, 10 years10 years ago
Other Galaxies

Spiral galaxies in a glorious new gallery from the Very Large Telescope

The European Southern Observatory’s Very Large Telescope brings us new face-on portraits of six spiral galaxies. But what is the science behind these delightful images?   Everyone loves stunning pictures of spiral galaxies,  I have said this before and will no doubt say it again. The folks at the European Read more…

By Armagh Observatory and Planetarium, 10 years5 years ago
Cosmology

Another galaxy, far, far away seen by HST and ESO

Galaxies, distant from us in space and time, have been in the news recently. Astronomers knew that far away galaxies (and hence ancient galaxies)were smaller than those galaxies closer (in time and space) to us today in the Milky Way. It was believed that the first galaxies appeared less than Read more…

By Armagh Observatory and Planetarium, 10 years10 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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