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SETI

image-of-2009-Hubble-Ultra-Deep-Field
Gavin Ramsay

Searching for Intelligent Life Outside the Solar System

It wasn’t long after the invention of radio technology towards the end of the 19th century that scientists considered using the new medium to contact beings on other planets in the Solar System with Mars being the first target. However, with the early probes to Mars and Venus showing no Read more…

By Anna Taylor, 4 yearsDecember 24, 2021 ago
Earth Satellites

Grid Computing & Astronomy

Continuing our weekly series on the application of astronomy to technology, we have an piece written by Dmitrij Bisikalo; Professor at The Russian Academy of Sciences’ Institute of Astronomy and the President of the International Astronomical Union’s Commission B1 on Computational Astrophysics. In this piece, he outlines the link between Read more…

By Armagh Observatory and Planetarium, 6 yearsMay 16, 2019 ago
Milky Way

E.T. Friend or Foe?

A team of scientists in Australia are scanning the Universe for signals from extraterrestrial life. Professor Matthew Bailes, based at Swinburne University in Melbourne, is the lead scientist in this project funded by Russian billionaire Yuri Milner. Milner has donated $100 million and has the support of Professor Stephen Hawking. Read more…

By Armagh Observatory and Planetarium, 8 yearsSeptember 15, 2017 ago
Alien Life

Whatever Happened to Dyson Spheres?

Dyson spheres are an outrageous concept. The idea of looking for alien megastructures in space  appeared at the end of the 1950s and was widely discussed in speculations about searching for extraterrestrial civilisations. It also inspired some great science fiction novels. Today the idea seemed to have faded into obscurity, Read more…

By Armagh Observatory and Planetarium, 10 yearsJanuary 30, 2015 ago
UFOs and Fringe Science

The Truth About the Black Knight Satellite Mystery

There are around 3000 human-made satellites in working order around the Earth, however if the debris of old and damaged satellites are taken into account the number increases dramatically. Ever since the Soviet Union launched the very first artificial satellite into orbit in 1957, various countries around the world have Read more…

By Armagh Observatory and Planetarium, 12 yearsJuly 18, 2013 ago
Alien Life

Are Aliens On Twitter?

If aliens use Twitter would you send them a Tweet?  What would you write to beings from another star in just 144 characters?  You now have the chance to do just that and send a potential extra-terrestrial civilisation a message using the recently launched Lone Signal Project.  Anyone can send Read more…

By Armagh Observatory and Planetarium, 12 yearsJuly 8, 2013 ago
UFOs and Fringe Science

What Ever Happened to Tachyons?

Tachyons, hypothetical sub-atomic particles which travel faster than light, once attracted a lot of publicity yet we do not hear much discussion of them today. Whatever happened to tachyons?   Over a century ago, Albert Einstein anticipated odd things happening on a spaceship travelling at speeds close to that of Read more…

By Armagh Observatory and Planetarium, 12 yearsMay 29, 2013 ago
Human Exploration

A Musical Space

Music can be a great way to relax and unwind. Many people play an instrument, are part of a band or enjoying listening to their favourite song on the radio or TV.  The iPod generation have music available to them at any time with their portable devices.  Enjoying music however, Read more…

By Armagh Observatory and Planetarium, 13 yearsDecember 10, 2012 ago
Alien Life

The WOW Signal

Was it a contact from other life forms out there?  Was it a satellite or spacecraft?  Or was it a computer glitch?  The WOW signal still continues to create intrigue to this day.  It is coming up to the 35th anniversary of its discovery so I decided to find out Read more…

By Armagh Observatory and Planetarium, 13 yearsJuly 3, 2012 ago
UFOs and Fringe Science

Is this an Extraterrestrial Structure on the Moon?

NASA has photographed an alien building on the surface of the Moon! Hearing news like this certainly makes one sit up and pay attention, but is it is correct? I heard about this from the Following the Nerd blog which featured a large image of the Moon centred on its Read more…

By Armagh Observatory and Planetarium, 13 yearsFebruary 23, 2012 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, 14 yearsMarch 21, 2011 ago
Alien Life

What would you say to an alien?

Searching for life elsewhere in the Universe is a fascinating endeavour. It is is not a recent idea either. Astronomers in the 1800s used telescopes to search for signs of life and even civilization elsewhere in the Solar System. Some even believed they saw signs of intelligent life on Mars Read more…

By Armagh Observatory and Planetarium, 15 yearsSeptember 27, 2010 ago
Alien Life

50 Years of SETI: where are the aliens?

  Fifty years of SETI with radio telescopes has so far proved negative. We have found no messages of peace and goodwill, no galactic internet, no extraterrestrial propaganda or advertising. No starships full of aliens have arrived on Earth to befriend us or to eat us, while our galaxy seems Read more…

By Armagh Observatory and Planetarium, 15 yearsSeptember 24, 2010 ago
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RSS Intergalactic Craic
  • S3Ep6 - Intergalactic Craic On The Road
    Welcome to a very special edition of Intergalactic Craic where we take it on the road! Join Rok, Zuri, Alice, and Andrew as they venture half way around the world to attend the ACM2023 conference in Flagstaff Arizona!
  • S3Ep5 - Craic with all these moons?
    Heather and her new co-host Dr Rok are back! Taking time out of their busy schedules they have recorded an episode all about the dramatic increase to the number of moons of the gas giants Jupiter and Saturn! They also delve into their own busy schedules and explain everything there is to know about AOP's […]
  • S3Ep4 - Wee Bitta Craic: Bout Ye Alice?
    This month is the final 'getting to know you' episode of Intergalactic Craic: Wee Bitta Craic. Ethan and Zuri interview Alice and ask her all about how she came to be doing her PhD at AOP. Find out this and more in this info packed episode!
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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