Our Galaxy
SALT 2019
Lying somewhere between young main-sequence stars and old white dwarfs, hot subdwarfs are blue stars with about half the mass, a tenth the diameter and ten times the brightness of the Sun.
Alien Life
Astrobiology I: planets in our solar system
Astrobiology is the study of life on planets or moons other than the Earth. But, to search for life, we must first know what life is. And that might not be as simple a task as you’d think. It turns out that ‘life’ might just be an arbitrary definition that Read more…
Planets
BREAKING: Saturn has 20 New Moons
The long standing satellite king of The Solar System, Jupiter, has been dethroned – Saturn now has 82 moons to Jupiter’s 79! via GIPHY The new moons were discovered by astronomers at The Carnegie Institution for Science using the Subaru telescope on top of Mauna Kea in Hawaii. According to Read more…
Universe
How Will The Universe End?
We don’t like to think about it, but the world will end one day. It is likely to be engulfed by the Sun as it expands into a red giant star 6 billion years from now, but whether humans survive to see that day is up for debate (climate change…). With regards to the universe, Read more…
astronomers
#WomenInCulture: The Women of STEM
As part of Museum Week 2019, some of the staff from Armagh Observatory and Planetarium have written a few words about which women in STEM inspire them particularly. Katherine Johnson by Helen McLoughlin With the excitement surrounding the 50th Anniversary of the first ever moon landing in 1969, I wanted Read more…
Armagh Planetarium
May Night Sky 2019
There’s lots to look forward to in the Month of May: the evenings are brighter, there’s the promise of good weather and most importantly – not one, but two bank holiday weekends! There’s also lots to look forward to and look out for in May’s night sky. There’s the chance Read more…
astronomers
The IAU: An Introduction
To kick off our new weekly series on the Technical Applications of Astronomy to Society, inspired by a recent publication of the IAU (The International Astronomical Union), our Director Michael Burton has written a brief summary of the history and purpose of the IAU, as well as outlining some of Read more…
Armagh Planetarium
M87: Our Reactions
While you may be familiar with black holes from sci-fi and many artists’ renditions of the phenomenon, our first actual view of the event horizon of the supermassive black hole which is at the centre of a neighbouring galaxy, Messier 87, was released 4 weeks ago to the day. What Read more…
Earth Satellites
5 Awesome Satellites
Satellites, our lives wouldn’t be complete without them. Since the beginning of the Space Race, Satellites have become a major part of how we observe our Solar System and the Universe, and also keep a close eye on our own planet.
astronomers
Binary Stars – The Basics
Article by: Gavin Ramsay Unlike our Sun, around half of all stars have another stellar companion. The closest stars to the Sun are two bright southern stars, alpha Centauri A and B, which orbit each other every 80 years and Proxima Centauri which orbits A and B every few tens Read more…