Caoimhín's Content

Astronomical and Educational content, in English and Irish

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  • Even Newer Named Stars and Planets

    Today we are going to continue looking at the names of stars and planets, some of the newer names given to stars and planets by the International Astronomical Union. Last time, I mentioned the planets that were named by the 2015 push for the naming of planets, and in 2015 it was just a handful

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  • Renamed Stars and Planets

    Today we are going to be looking at the names of some stars and planets, something that I like to do every now and again on this channel. We will assume a view from the countryside because we are going to be looking for, on some occasions, faint stars. I will start by quickly recapping

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  • Haumea: Another Dwarf Planet, Another (Minor) Controversy

    In today’s piece we will be continuing our tour of distant objects by taking a look for Haumea, the most likely dwarf planet after Pluto and Eris. Pluto and Eris of course have their own articles and videos on this site already. Ceres is another dwarf planet, and being in the asteroid belt makes it

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  • Deireadh Samhain agus ar aghaidh go Nollag / The End of November and on to December

    The video accompanying this piece is in Irish, but I will provide this write up and the subtitles of the video in English as usual. Just like the previous English language piece, we are already half way through November and for that reason we will be looking at the end of November and the start

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  • From November to December: Jupiter at Opposition and More Meteor Showers!

    As we continue to move later in the month, we are now just past the date where a lot of the cool stuff happened. We are just past the 17th, a little, which is around the time that Mercury had its greatest elongation and it’s the date where the Leonids would have peaked. AS such,

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  • Dark Matter and Modified Newtonian Dynamics: A Very Brief Introduction

    Today, we are going to briefly talk about dark matter and dark energy and Modified Newtonian Dynamics. Unfortunately, these are not things that I can show. Then again, I never really show anything in these written pieces, they’re all tell, but even in the attached video I cannot show dark matter. Dark matter, if it

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  • Planet X or Planet 9: The Mysterious Hypothetical Planet

    Today we are going to bet talking about a planet that is still hypothetical, planet nine or Planet X, the next planet that is yet to be discovered in our solar system, if it exists at all. Before we get into that, I have made a slight adjustment to the format of my recording. For

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  • November Meteors and Comet S1 Atlas Update

    Today we will be looking ahead at the meteor showers that are coming up in November as well as quickly revisiting the Greatest Elongation of Mercury and taking a quick look at what could have been with Comet C/2024 S1 ATLAS. Mercury will reach its greatest eastern elongation later this month, meaning it will be

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  • The November Constellations

    Today, we are still looking at the night sky in November, but we will concentrate on the constellations. In a recent video we looked ahead to the month of November to point out various objects such as Venus, along with some of the upcoming meteor showers. Later this month we will have Mercury’s greatest elongation,

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  • Some Spooky Objects for Halloween!

    Happy Halloween! Today we are going to take a look at some of the spooky things in the sky. For this piece, we won’t worry too much about when or where these objects are visible. However, many are visible at this time of the year from Ireland, but many will only be visible with good

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