Caoimhín's Content

Astronomical and Educational content, in English and Irish

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  • Mars: How and When to See it and How it Moves in the Sky.

    As you may have seen in some of the recent posts here, Mars is beginning to be visible in the morning sky, but we’re going to have to move to the end of March and beyond before it reaches a good position for observation, at least those of us in higher latitudes. Starting right on…

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  • From North to South and East to West: How our View Changes

    In a few videos now, we’ve traveled to other locations to take a look at the sky. Of course, the differences can be pretty big if you travel to the other side of the equator, and if you are hunting down an eclipse or conjunction it will be clear that the view is different from…

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  • A Quick Look into March: The Equinox, Mercury and a Conjunction in February!

    We are very early into the month of March, so we’re going to take a look forward at a few of the events it will contain. However, we’re also going to review a couple of the things that are happening now, at the end of February. Most of these are occurrences that have been mentioned…

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  • Ó Feabhra go Márta, an Cónocht, Pláinéid agus Urú!

    Although this Irish language video takes a look ahead into March, there are still a few interesting things yet to happen in February. To start on a low note, Saturn will be gone from the sky at night, by now as the Sun is setting, Saturn will be out of view. Jupiter is still there,…

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  • 100 Subscriber Q&A: Part 2, Eccentricity, Constellations and the Shape of the Moon

    We’re back for part two of the 100 subscriber Q&A special, so let’s dive right in. The first question is “What makes an orbit eccentric?”. This is a great question, mostly because eccentricity is such a complex thing. Many of the planets in our solar system a lot of the orbits are minimally eccentric compared…

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  • 100 Subscriber Q&A: Part 1, Eclipses and the Solar System

    This is the 100 Subscriber Q&A special, so I’ll be answering a couple of questions viewers have submitted. It turns out, I really did only answer couple of questions, just two in this video, hence the “Part 1”, the second part coming Thursday will finish up. I ended up giving almost two answers to every…

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  • Upcoming Conjunctions and Where to See Them

    Today we are going to be looking at some conjunctions. A conjunction is when two planets, or a star and a planet, or the Moon and a planet, or the Moon and a star, anytime two interesting things get very close to each other in the sky. Some conjunctions are close conjunctions, when the two…

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  • Globular Clusters and 100 Subscriber Q&A Announcement

    Globular clusters are the main focus of this video, a type of deep sky object that I have mentioned in previous videos, but they haven’t had their own focused video just yet. These ball of stars can be light years across, but I am excited for a much smaller number, 100. I have just surpassed…

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  • Venus, the View from a Strange Planet

    Today we are looking at Venus. We won’t just look at Venus, just like some previous videos about the gas giants, we’re going to take a look a the view from Venus as well. The video above does begin with a quick look at how the sky appears at the moment, showing Saturn disappearing soon…

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  • Supermoons, Micromoons and some Meteors

    As mentioned in the last video, there isn’t a lot happening in the sky this month. We do of course have the Micromoon, which I will get back to, but other than that, no eclipses or oppositions or meteor showers. However, despite not having any particular showers, we will still have some meteors. We usually…

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