Month: October 2023
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The Motions of the Planets and Retrograde Motion
In this video we’re going to take a look at how the planets move across the sky. For most of the planets that orbit the Sun further out than the Earth, this is reasonably simple. However, for the two planets closer to the Sun than us, things certainly look a little more complicated. This video…
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The Ecliptic and some of the Most Famous Constellations
The ecliptic is a very special imaginary line in the sky, and it has been mentioned in previous videos, particularly as the location of eclipses. It’s where we see the planets and also the line the Sun lies on in the sky. The significance of this line was noticed even in ancient times, and as…
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Deep Sky Objects: Nebulae, Clusters and Galaxies
In this video, we take a look at Deep Sky Objects, those things lying outside our solar system, or even outside our galaxy, which we can see. Having dark skies with no light pollution helps and most of these objects require telescopes to see at all. From clouds of gas to groups of stars, we’ll…
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October Refresher and the latest Videos/Athnuachan Deireadh Fomhair agus Na Físeáin is Déanaí
Time for another Irish language astronomy video! This video serves to up date the previous Irish video on the positions of the planets as well as covering in Irish the topics that were covered in English by the most recent English language videos. Of course, we start with the planets. Saturn remains visible from sunset,…
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Constellations and Asterisms, a Quick Look at the Shapes in the Sky
Constellations and asterisms are a favourite topic of mine, so you can expect more vidoes on this subject in the future. As a few asterisms and constellations have come up in previous videos already, those are the ones we’re going to look at, Thankfully the Summer Triangle is still visible for at least some of…
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