AOP Apollo 14 Challenge
CHALLENGE ALERT! This weekend celebrates the 50th Anniversary of Apollo 14 when Commander Alan Shepard hit arguably one of the most spectacular golf shots of all time…on the moon! A truly out-of-this-world shot! To get you involved at home, we Read more
Who was Caroline Herschel?
Chances are, if you’re interested in astronomy, that you’ve heard of William Herschel. A bit of a polymath, he was an accomplished musician, composer and even philosopher, but is best known for his discovery of Uranus, the first planet to be discovered with a telescope (one he’d Read more
Armagh StarTrackers Online “Home of the NGC”
AOP’s StarTracker Online Dates: January 27th, 24th February, 31st March 2021 Time: 8pm Ticket Price: free (donations are welcome) To book you ticket visit: https://armaghobservatoryplanetarium.ticketsolve.com/shows *Please note you only need to book one ticket for one household.* Armagh Observatory and Read more
The Largest Catalogue of Gravitational Waves Ever Released!
Written by Dr. Gavin Ramsay One of humankinds greatest achievements was made on 14th Sept 2015 when the first direct detection of a gravitational wave event was made using the aLIGO observatories in Washington State and Louisana in the USA. Read more
The Night Sky in February 2021
It’s the shortest month of the year, although some may argue that it can feel just as long as January. We’re still seeing the winter constellations in the night sky, and hopefully we will get some nice clear nights to go stargazing. Remember Read more
New Changing Places facility installed after social media request
Armagh Observatory and Planetarium is a ‘space’ for everyone Armagh Observatory and Planetarium (AOP) has underlined its commitment to being a ‘space’ for everyone by opening its new Changing Places facility. Despite the lockdown, staff were keen to incorporate the Read more
Embark on a space odyssey from your garden with these top tips
Mankind has been looking to the cosmos for thousands of years to help answer some of our biggest questions, but now, people are turning to the night sky during lockdown for a soothing, relaxing experience to enjoy at home. Throughout Read more
5 Interesting NGC Objects!
NGC stands for the New General Catalogue of Nebulae and Clusters of Stars, which is an astronomical catalogue of deep sky objects and was compiled in 1888 by the 4th director of the Armagh Observatory John Dreyer. To this day the NGC catalogue is still used by Astronomers all over the world and remains Read more
December weather in Armagh
COOLEST DECEMBER FOR SIX YEARS, SLIGHTLY SUNNIER AND WETTER THAN AVERAGE. CALENDAR YEAR 2020 WARMER AND SLIGHTLY WETTER AND SUNNIER THAN AVERAGE. Armagh Observatory reports that December 2020 was cooler than average at Armagh, the coolest December for six years, Read more
The 10 Biggest Astronomical Events 2021!
While 2020 was in many ways a strange and challenging year for many of us in one way or another, the heavens certainly gave us cause to look up and find some measure of celestial relief. Well there is good Read more
January Night Sky 2021
Still looking for a New Years resolution or lockdown hobby? Why not get into stargazing in 2021! Take a night off your current Netflix series; wrap up warm; step outside and gaze up at the wonders of the winter night sky. Winter Read more
Sky at Night presenter to deliver virtual lecture at Armagh Observatory and Planetarium
Professor Lintott to give ‘A State of the Universe Report’ One of the UK’s most highly regarded astrophysicists is set to link up with Armagh Observatory and Planetarium (AOP) next week for an online public lecture. Professor of Astrophysics at Read more
Conjunction of Saturn and Jupiter – 21 Dec
Stargazers could spot a bright light in the sky days before Christmas as Saturn and Jupiter will come the closest they have done in hundreds of years, creating what researchers describe as a “spectacular event in the sky” on Monday Read more
Season 1 of Intergalactic Craic – That’s a wrap!
Season 1 has come to an end, and I still honestly can’t believe it has happened. I am so thrilled that we were able to create a podcast in, what is arguably, the most horrendous year in all human history. Heather From Read more
December Night Sky 2020
So the nights are drawing in and in as we get closer to the festive season, and though Christmas might not be quite the same as usual this year, there’s still plenty to celebrate. One great socially distanced activity you can do is stargazing! It’s outdoors and doesn’t require a group, and so you can easily go out and have a wee look up at the stars – just make sure to wrap up warm at this time of year!
Rare Stars – PHL 417 and the V366 Aquariids
By Prof. Simon Jeffery Enter the name ‘PHL 417’ in the public database which tells you nearly everything known about nearly every star in the sky, and you will find an almost blank entry. It is enigmatically identified as a ‘Blue object’ of the 17th magnitude, or about 200,000 times fainter than the faintest stars visible Read more
Space Lights Spectacle to Launch in Armagh
Armagh Observatory & Planetarium to host out of this world outdoor illuminations Space Lights will be a new spectacular light trail show within the grounds of the Observatory and Planetarium running from Wednesday 16 until Wednesday 23 December. The immersive Read more
November Night Sky 2020
Another month, another lockdown. We have one very good outdoor socially distanced activity that everyone can do – stargazing! November does have a few meteor showers and interesting objects to see, so why not give it a go this month? Read more
October weather in Armagh
Sunniest October at Armagh for 12 years, slightly wetter than average, roughly average temperature. Armagh Observatory reports that October 2020 was much sunnier than average, slightly wetter and with roughly average temperature. This was the sunniest October at Armagh for Read more
Mars plays shepherd to our Moon’s long-lost twin, AOP scientists find
by Apostolos Christou An international team of planetary scientists led by astronomers at AOP have found an asteroid trailing behind Mars with a composition very similar to the Moon’s. The asteroid could be an ancient piece of debris, dating back Read more
NASA Find Wide-Spread Water on the Surface of the Moon!
The presence of water on the Moon has long been suspected, although not in liquid or vapour form but as ice hiding deep in permanently shadowed craters found in the polar regions of the Moon. The NASA LCROSS and LRO space mission already confirmed the presence Read more
5 Satellites You Should Know About
Juno NASA’s Juno Spacecraft launched from Cape Canaveral August 5th 2011, beginning its long journey to the mighty gas giant Jupiter with the aim to reveal and understand the formation and evolution of the planet. Juno was equipped with many Read more
COVID Astronomy: Watching a bus-sized asteroid whiz by Earth during a pandemic
by Galin Borisov and Apostolos Christou This September, we had the first opportunity to make astronomical observations while physically present at the telescope since the start of the COVID19 pandemic. Our instrument of choice was the 2-m RCC telescope at Rozhen Observatory on the Rhodope mountains in SW Bulgaria. So here we are at 1700m above sea level with a Read more
The 2020 Nobel Prize in Physics for Theory and Observations of Black Holes
By Dr Marc Sarzi, Head of Research After the first image of a supermassive black hole more than 60 million light years away from the Earth1 amazed the whole World last year, black holes are back on the news this week following the award of the 2020 Nobel prize in physics Read more
September Weather in Armagh
Mild, dry September and sunnier than average. Armagh Observatory reports that September 2020 was warmer and drier than average and with slightly more than average sunshine. This was the sunniest September at Armagh for five years. The mean temperature was Read more
Hubble Observes Spectacular Supernova Time-Lapse
The NASA/ESA’s Hubble Space Telescope has tracked the fading light of a supernova in the spiral galaxy NGC 2525, located 70 million light years away. Supernovae like this one can be used as cosmic tape measures, allowing astronomers to calculate Read more
October Night Sky 2020
Welcome to October, stargazers! Autumn is well and truly into full swing now. Along with warm coats, changing leaves and Pumpkin Spiced Lattes, October also brings with it the opportunity to get some excellent planet spotting and star gazing time Read more
Take part in the Where’s Wally Spooky Museum Search
Where’s Wally? Spooky Museum Search – find Wally in Armagh Observatory and Planetarium. This Halloween, Wally, the world’s favourite children’s book character – wearing a red-and-white striped shirt and black-rimmed specs – will be travelling the country, appearing in museums, Read more
5 Planets – Can You Spot Them All?
The late September and early October nights bring with them a few things; crunchy leaves for evening walks, pumpkin spice lattes for the masses and the best time of year to get planet spotting. There are five – yes, five Read more
Fifty years of robotic sample return
When the first astronauts came back from the Moon more than half a century ago, they brought back a scientific treasure trove of soil and rock samples. These were – and still are – intensely scrutinised in laboratories all over Read more
The Biggest Rockets That Never Were – Part 2!
From the fertile imaginings of the 1950s and 60s in the American aerospace industry came a wealth of Space-launcher ideas in all seemingly conceivable (and sometimes, inconceivable) shapes and sizes. So as we continue to investigate some of the ‘biggest Read more
Is there life on Venus?
The answer is possibly, after an international team of astronomers announced the discovery of a rare molecule, phosphine, in the clouds of Venus. Phosphine, which is a molecule made up of one phosphorus atom and three hydrogen atoms, is a gas Read more
August Weather in Armagh
AN INCLEMENT MONTH: WETTEST AUGUST FOR 12 YEARS, WARMER AND DULLER THAN AVERAGE. SUMMER 2020 THE DULLEST FOR 33 YEARS, WETTEST FOR 8 YEARS AND COOLEST FOR 5 YEARS Armagh Observatory reports that August 2020 was the wettest at Armagh Read more
September Night Sky 2020
We have finally entered the month of September, however if you were to tell me that it was the 200th Day of March, I would honestly believe you. 2020 has been such a bizarre year, one we will never forget, but Read more
Is Yellowstone Going To Kill Us All?
Among my skills as blog editor, podcast host and Education Officer Extraordinaire here at Armagh Observatory and Planetarium, I’m also a fully qualified catastrophizer! That’s right; you give me a senario and I’ll assume the worst possible version of the Read more
Around the world in Eight Moon Myths
We all know of some myths surrounding our only natural satellite. We’ve gazed at it for thousands of years, and it has inspired some great and unusual stories over time. We are quick to say that a full moon causes insanity Read more
The scudding clouds of Mars
Mars is the only other planet in the solar system apart from the Earth that combines a clear – albeit thin – atmosphere and a solid surface. Therefore, an astronaut standing on the surface may observe and record phenomena on Read more
The Magnetic North Pole is moving – Are we heading for cataclysmic change?
We have a number of ‘North Poles’ on Earth. Above shows the sign at the Geographic North Pole. The magnetic North Pole is what your compass points to when you are trying to navigate using it. That is different from Read more
ALMA sees most distant Milky Way look-alike
Galaxy is distorted, appearing as a ring of light in the sky. Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA), in which the European Southern Observatory (ESO) is a partner, have revealed an extremely distant and therefore very young galaxy Read more
ESA’s meteor camera captures the Perseid showers
The Perseids meteor shower is one of the most spectacular annual meteor showers. Made of debris from comet Swift-Tuttle they have been observed by sky-watchers for thousands of years and this year the LIC1 camera of the Canary Long-Baseline Observatory Read more
Perseids! All You Need to Know.
Are you up for a free ‘firework show’ from Space? If so, this is the month for you because on the 11th August (Tuesday), the Perseids Meteor Shower is coming to town! As our planet silently glides through the cold Read more
July 2020 Weather in Armagh
DULLEST JULY FOR 34 YEARS, COOLER AND WETTER THAN AVERAGE Armagh Observatory reports that July 2020 was the dullest July at Armagh since 1986, and cooler and wetter than average. The mean temperature was 14.65 degrees Celsius (58.4 Fahrenheit), approximately Read more
FREE ONLINE EVENT: Unlock The Secrets Of The Universe
Join UC Davis physics professor and the star of the large format film, SECRETS OF THE UNIVERSE, Manuel Calderón de la Barca Sánchez on a 45-minute Zoom journey of our own planet and universe to explore some of life’s biggest Read more
August Night Sky 2020
Happy August stargazers! July was a fairly rainy and cloudy affair – this made stargazing and planet spotting difficult. Here’s hoping the August skies are clear and warm! August also brings with it slightly shorter days and slightly longer nights, Read more
Science at Home series to be transformed into experiment book and app
Armagh Observatory & Planetarium inspiring the scientists of tomorrow Armagh Observatory and Planetarium’s (AOP) hugely popular Science at Home series is set to be rolled out to schools through the creation of a new book and accompanying app. The programme, Read more
Breaking Astronomy News: How Supermassive Black Holes Form!
A breakthrough in deciphering birth of supermassive black holes – astronomers zoom in on black hole with one of the lowest masses ever observed in nearby “ghost” galaxy. A research team led by Cardiff University scientists say they are closer to Read more
June 2020 Weather in Armagh
DULLEST JUNE AT ARMAGH FOR EIGHT YEARS, WARMER AND SLIGHTLY WETTER THAN AVERAGE Armagh Observatory reports that June 2020 was much duller than average, the dullest June for eight years and the sixth-dullest June on record at Armagh. It was Read more
The 2020 international Mars flotilla: three countries, two rovers and a helicopter
By Apostolos Christou, Researh Astronomer Every 26 months, the positions of Mars and the Earth align in such a way to allow probes launched from Earth to reach Mars (see how to calculate launch windows here). The next such launch Read more
Binocular Astronomy
Want to learn more about what you can see with only a pair of binoculars? AOP’s own Prof. Simon Jeffery explains how to get the most out of a pair of binoculars, and also issues you a challenge! A popular Read more
July Night Sky
So here we are, heading into the summer holidays with thunderstorms all around us, but with some good news as the lockdown eases. Caravan parks are open again, and they make some of the best places to go stargazing, as they tend to be Read more
How to name an Asteroid
The first asteroids discovered in the early 1800’s were named after Roman and Greek mythological figures like Ceres, Pallas, and Vesta. Today, most asteroids are named after people, both real and fictional, places, animals, plants, and other natural phenomena. The Read more
Experience of the Boardroom Apprentice 2019
Following the launch of the Boardroom Apprentice Programme 2020, Dr Kirstin Lemon tells us about her experience on the programme last year. Dr Kirstin Lemon a senior geologist at the Geological Survey of Northern Ireland (GSNI) participated in the Boardroom Apprentice Read more
Digital Takeover – What’s your Favourite Planet?
26th June is Kids in Museums ‘Digital Takeover Day’. Here at the Armagh Observatory and Planetarium we wanted to give our young followers a chance to be published in our blog. Read all about their favourite planets below. Thank you Read more
The deepest view of the X-ray sky
The eROSITA telescope has provided a new, sharp view of hot and energetic processes across the Universe. The eROSITA X-ray telescope has completed its first full sweep of the sky. This new map of the hot, energetic universe contains more Read more
Q: Is the Moon made of cheese? A: Sort of..
A myth deeply engrained into popular culture is that the Moon is made of green cheese. The Apollo missions showed beyond reasonable doubt that the moon is made of rock and not, sadly, of one of our favourite dairy products. Read more
Ireland’s First Satellite in Testing
Ireland’s entry into the space race is now at the testing phase. Preparatory testing for the space mission, EIRSAT-1, is taking place at the ESA’s Hertz antenna test chamber in Noordwijk, Holland. Educational Irish Research Satellite 1 is being built by Read more
The Biggest Rockets That Never Were
So we know the biggest rocket that ever was, was the mighty Saturn V that took NASA’s Apollo astronauts to the Moon. But what about the biggest rockets that never were? Could there have been some other rockets that, had Read more
Stellar Weather Watch
In a new paper, Simon Jeffery reports the discovery of standing waves on two small hot stars similar to the pattern of jet streams seen in the Earth’s atmosphere.
Armagh Observatory and Planetarium Donates to Local Foodbank
Armagh Observatory and Planetarium has donated a host of items from its café to the local Armagh Foodbank based in the Armagh Elim Church. With the doors of Armagh Observatory and Planetarium currently closed, the local attraction packed up food Read more
Do You Want to Feature on Astronotes?
Friday 26th June is Digital Takeover Day and we want children and young people to takeover our blog. What do you have to do? Write about which planet in our solar system is your favourite one and why! You can Read more
Invest NI Resource Matching Service helps AOP with energy efficiency
After recent upgrades at Armagh Observatory and Planetarium we were left with a lot of decommissioned equipment and surplus items which was overwhelming storage capacity. However through the Invest NI Resource Matching service, International Synergies, we found avenues to re-purpose Read more
June Night Sky 2020
Happy soon-to-be summer, star gazers! June has a few things going for it; it’s the beginning of summer (officially), we have a lovely new moon, there’s some planet spotting to be done in the early morning; and the combined effects Read more
May 2020 Weather in Armagh
RECORD-BREAKING MAY 2020: WARMER AND SUNNIER THAN AVERAGE, DRIEST AT ARMAGH FOR 29 YEARS. SUNNIEST SPRING FOR AT LEAST 140 YEARS AND DRIEST AT ARMAGH SINCE 1870. Armagh Observatory reports that May 2020 was warmer, sunnier and much drier than Read more
Venus and the cup anemometer
When Thomas Romney Robinson, director of the Armagh Observatory, invented the cup anemometer in 1846, little did he know that one day his invention would be recording the alien breeze on the surface of another world. Fast forward 130 years: Read more
Armagh Observatory and Planetarium’s 5 Questions With interview series
Armagh Observatory and Planetarium (AOP) have been working hard during the lockdown period keeping our followers engaged with fun and interesting videos, talks and information on the topic of science and astronomy. Alongside experiments parents and their children can do Read more
Hot stars are plagued by giant magnetic spots
Astronomers using European Southern Observatory (ESO) telescopes have discovered giant spots on the surface of extremely hot stars hidden in stellar clusters. Not only are these stars plagued by magnetic spots, some also experience superflare events, explosions of energy several Read more
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 Read more
What is a Dinosaur?
Many people’s first memories of learning about meteorites were probably prefaced by “the one that killed the dinosaurs”. This most famous and yet now non-existent meteorite crashed into our planet in Yucatan Pininsula, in what is now modern-day Mexico. In Read more
NASA SpaceX Demo-2 Launch: What You Need to Know!
SpaceX makes history today as, alongside NASA, it sends two astronauts to the International Space Station (ISS). The firm has been taking cargo to the satellite many times before, but this is a momentous occasion as it is the first time a private company Read more
GOTO spies on distant comet
By Gavin Ramsay, AOP Research Astronomer In previous AstroNotes we have highlighted the Gravitational-wave Optical Transient Observer (GOTO) project of which AOP is a partner. Although its main aim is to detect the optical counterparts of cosmic explosions, it has Read more
5 Facts About… Neptune!
And now we come to the last planet in our solar system… You found me… eventually Up until the discovery of Neptune all planets in our Solar System were found with the naked eye or with the aid of a Read more
COVID 19, the R–factor and the Hill of Infinity in Armagh
How astronomy can help us understand the spread of a pandemic Article by Michael Burton, Director of the Armagh Observatory and Planetarium The Hill of Infinity of Armagh, in the Astropark of the Observatory and Planetarium, contains a scale model Read more
DY Centauri – stellar evolution while you watch
By Simon Jeffery, AOP Research Astronomer In 1930, Dorrit Hoffleit reported that star number #4749 in the Harvard List of variables had faded four times between 1897 and 1929, and identified it as an R Coronae Borealis (RCB) variable. RCB Read more
5 Facts About… Uranus!
Now we come to the penultimate planet in our solar system, the lovely Uranus! That’s Not My Name! Uranus was discovered in March 1781 by astronomer William Herschel. He was observing the stars in the night sky using a telescope that Read more
Can Light Power our Planet?
It’s International Day of Light today! In honour of this international event, we at Astronotes decided it would be an excellent chance to explain how light could be the future for our climate and the answer to our questions about Read more
Museum Week 2020 – #ClimateMW Playlist
This week it’s Museum Week 2020 and today has the honour of being #ClimateMW day! Here at AOP we monitor the weather daily, and have been keeping weather records for over 200 years – clearly we are very interested in Read more
Making Neptune’s moons
Research Astronomer Dr Apostolos Christou reports on a new model to explain the two “oddball’’ moons of Neptune: Triton, a >2000 km diameter satellite that circles Neptune in the opposite direction that the planet rotates; and 300-km Nereid, the planetary Read more
Bring the Moon into your Home!
Armagh Observatory and Planetarium launches new interactive app previously used in the exhibition hall for the public to try! This latest technology will help you to bring the Moon into your home via an augmented reality app. The easy to Read more
5 Facts About…Saturn!
Now we come to the sixth planet from the sun, with the magnificent ring system, it’s Saturn! It is now the planet with the most known moons! Saturn recently beat out Jupiter in the moons category, even though Jupiter is Read more
The Artemis Program – The Successor to Apollo
50 years ago, humankind took its first steps on the moon, and the world celebrated. However, 47 years ago, the last human walked on the moon, and we have not been back since. Until now. The new programme that will Read more
ESO Discovers Closest Black Hole to Earth!
Breaking astronomy news! The European Southern Observatory, in combination with other institutes, has discovered a black hole – and it’s a mere 1000 lightyears from Earth! This newly discovered Black Hole forms part of a triple system (called HR6819) that Read more
5 Facts About… Jupiter!
Let’s move on to the largest planet in our solar system, the great gas giant Jupiter. Jupiter is over twice as heavy as all the other planets in the Solar system put together. Jupiter is a gas giant planet, the Read more
April 2020 Weather in Armagh
Armagh Observatory reports that April 2020 was much sunnier than average at Armagh, much warmer and much drier. This was the sunniest April at Armagh for 118 years, the second-sunniest April at Armagh since sunshine records began in 1880, and Read more
May Night Sky 2020
So, it’s been a weird spring so far this year, with most people working from home and stuck in their houses. But we’ve been getting some good weather over the last few weeks, allowing us to get out for our daily Read more
What to look out for in the May morning sky
Martina Glass looks at the morning sky and what treats it has for us! For thousands of years people used the stars to tell stories, mark the changes in seasons and to help navigate, but even with today’s technological advances Read more
How to determine if an emission line is optically thin or thick?
The transition region in the Sun is the atmospheric layer that separates the cooler chromosphere from the hotter corona. Studying the structure and dynamics of the transition region requires greater attention as these provide critical information on the supply of mass Read more
Observations during a pandemic and the story of the comet C/2019 Y4 (ATLAS)
By Galin Borisov (not the interstellar comet discoverer) During this tough period of COVID-19 pandemic, most of the astronomical observatories around the world are closed and no observations are carried out. But my Bulgarian colleague, Yanko Nikolov, decided to self-isolate Read more
5 Facts About… Mars!
This week out 5 Facts series continues with our little brother planet – Mars! Seeing Red Mars is famously known as the red planet as its dusty ground is tinged brownish red by iron-oxide (rust). This makes Mars look red to the Read more
30 Years of Hubble!
Today marks the 30th birthday of The Hubble Space Telescope (HST). On the 24th of April 1990 NASA launched Hubble into low earth orbit and it is still up there today! Hubble has allowed us to see deep within the Read more
Stellar Flares and Star Spots unexpectedly found to be uncorrelated
By Christopher Duffy Studies of the sun, our closest star, have shown that sun spot activity and solar eruptions, also known as solar flares, are strongly correlated – regions of the sun with many sun spots are found to be Read more
Earth Day events Online
Today (Wed 22 April) is the 50th Anniversary of Earth Day and we have lots planned for you! Over on Facebook, Twitter and Instgram⏰10am: Space Fact⏰12noon: Earth Day inspired experiment⏰3pm: “Zula Patrol” kids film (Facebook Only)⏰5pm: Earth Day inspired craft Read more
Starry-Eyed Advice for Gazing from Your Garden
Five things to look for during International Dark Sky Week With a remarkable drop in air-pollution during lockdown and warm weather forecasts, the astronomy experts at Armagh Observatory and Planetarium have shared what twinkling treats you can spot in the Read more
5 Facts About… Earth!
This week our 5 Facts series continues with our home planet! Read on to learn more about our Earth. Earth is the only planet not named after a God The other planets in our Solar System are named after Roman Read more
The Biggest Rocket There Ever Was!
Various nations have produced rockets of different shapes and sizes down through the years, but a question that often comes to the fore is which was the biggest of them all? As it takes objects with a large mass a Read more
Venus Resplendent
Those of you going out late in the day for an evening stroll or just enjoying the spring smells in your garden may have noticed a bright white beacon of light shining high in the west after sunset. This is Read more