About the Author

Keagan Chasenski

Guest contributor

Keagan has always had a connection with wildlife, having been lucky enough to visit Londolozi as a child. After growing up in Johannesburg, he attended boarding school in the KwaZulu Natal Midlands where weekends were spent exploring the reserve and appreciating his surroundings. ...

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on A Bigger Moon In Africa

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Nice article.

Is there not some contribution from refraction through the atmosphere?

Hi Mark, thank you.
There certainly is some effect from refraction, although this will only have a minimal impact on the moon’s perceived size. Rather refraction will have more of an effect on the colours we see, especially of the sunrise and sunset.

Fascinating. Hadn’t heard of the Ebbinghaus Illusion before now. I just thought it was atmospheric distortion. Thank you! 🤗

Hi Sally, thank you!
That’s an interesting one, and a whole field of study I am definitely no expert on but atmospheric distortion tends to become more of a problem when viewing celestial objects through a lens (like a telescope or camera)

A very informative article (like all the others we receive) and as always, very enjoyable. Thank you for sharing

Hi Babs, thank you.

I love watching the moon cycle through its phases. I only wish I had a better view of it from where I live so I could watch it rise a little easier. Hope the full moon in Pisces this week doesn’t trip you up. 🌑

beautiful photos and very interesting explanations of the moon.It is really fascinating that our brain kind of changes the moon’s size if we see it rising.
Thanks for the article.

Interesting article Keagan, especially the explanation of the Ebbinghaus Illusion. Blogs like this are appreciated and add to our knowledge of the natural world.

Ebbinghous Illusion = mind blown!! Great post Keagan!!

I guess that a full moon in Londolozi must be a spectacular and unique view, although it is always a fantastic phenomenon everywhere in the world!

Good science lesson Keagan, thanks.

A very interesting blog and thank you for sharing. Unfortunately, those of us who live in Toronto, Canada, often miss out on full moons due to clouds – no rain mostly – but clouds. Thanks again.

I really enjoyed your post today, thank you! I have never heard of the Ebbinghaus Illusion, that was very interesting. I thought the huge moon on the horizon was distortion. We watch the moon from our house as it sets over the water and shines a path to our window. We are very lucky.

Hi Barbara, it is my pleasure.
You are indeed very lucky in that regard, it’s always a special event to watch the moon rise! My understanding is that the effect of distortion is more noticeable through a lens.

Keagan, What a great post. We never understood the phenomenon, and you explained it perfectly! Thanks so much!

Wow Keagan your explanation of the Ebbinghaus illusion is phenomenal. Never could of thought that our minds could be fooling us all this time. I am sure the moon and stars are a spectacular sight there in the open clean air at Londolozi. Thanks for your blog ,very interesting and I am sure a lot of people did not know about Ebbinghaus illusion.

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