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Johannes Kepler

Human Exploration

10 things we used to believe about Space

Space is forever changing. Here is a list of 10 things we used to believe about Space.

By Armagh Observatory and Planetarium, 7 yearsSeptember 3, 2018 ago
Solar System

Who discovered? The Space Edition

Article written by: Heather Alexander Have you ever had a fun night out with friends, or a lazy day in with loved ones, or even just strolled down the street, and asked the question “Who discovered…?” I am the type of person who asks this question, frequently. Thanks goodness I Read more…

By Armagh Observatory and Planetarium, 7 yearsFebruary 9, 2018 ago
Milky Way

Explorers of the Galaxy (Part 2): The Radio Galaxy

At the end of part one of this article we left our galactic explorers uncovering the first hints of the existence of spiral structure within our Milky Way. In part two we see how the new field of radio astronomy opened up the Galaxy for viewing to our explorers.   Read more…

By Armagh Observatory and Planetarium, 9 yearsMay 13, 2016 ago
July

Stargazing in July

Looming large in the after dark southern sky in July is the large and overlapping but often overlooked constellations of Ophiuchus and Serpens. Lacking outstandingly bright stars these “two for one” constellations still contain much of interest.   Ophiuchus is one of the thirteen constellations that cross the ecliptic, making Read more…

By Armagh Observatory and Planetarium, 11 yearsJuly 22, 2014 ago
Stars

How Far Away is the Farthest Star?

Looking up in to the night sky it’s not difficult to see why the ancient Greeks believed that all the stars in the night sky were fixed on a celestial sphere revolving around the Earth and other planets. From our view on Earth the stars appear to be at a Read more…

By Armagh Observatory and Planetarium, 12 yearsJune 17, 2013 ago
image of kepler 36c rising
Exoplanets

Too Close for Comfort

The hunt for planets located outside of our own Solar System is not a new concept.Since 1995 scientists and astronomers have been aware of these distant worlds orbiting their host stars.The first exoplanet discovered was 51 Pegasi located in the constellation of Pegasus.To date over 3000 potential exoplanets have been Read more…

By Armagh Observatory and Planetarium, 13 yearsAugust 14, 2012 ago
Stars

6 Theories about the Star of Bethlehem

What was the Star of Bethlehem? Recorded only in the Gospel of Matthew, this mysterious celestial object is said to have heralded the Nativity. For millennia stargazers have wondered what it may have been.     Now when Jesus was born in Bethlehem of Judea in the days of Herod Read more…

By Armagh Observatory and Planetarium, 14 yearsNovember 10, 2011 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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