Why does the occasional solar eclipse go backwards? @standupmaths
Why does the occasional solar eclipse go backwards?  @standupmaths
Uploaded December 2021 | Updated September 2026, 2 weeks ago
We were on Hurtigruten's ship: the MS Roald Amundsen. It's an amazing ship and perfect for a trip of a lifetime like visiting Antarctica. You can check it out here: standupmaths.com/antarctica (I payed for the trip myself but I do get a referral fee if you book via that link.)

Here's the Time And Date map: timeanddate.com/eclipse/solar/2021-december-4

Yep, that's my wife: luciegreen.com

Thanks to all of my Patreon supporters who mean I can justify a massive trip like this to make videos. For the record: I didn't use Patreon money to pay for the trip. But it did help me justify making so many videos while I was there. You too can help support me: patreon.com/standupmaths

CORRECTIONS
- None yet, let me know if you spot any mistakes!

Filming by Matt Parker and Lucie Green
Editing by Matt Parker
SUM Music by Howard Carter
Design by Simon Wright and Adam Robinson

MATT PARKER: Stand-up Mathematician
Website: standupmaths.com
US book: penguinrandomhouse.com/books/610964/humble-pi-by-matt-parker
UK book: mathsgear.co.uk/collections/books/products/humble-pi-signed-paperback
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Why does the occasional solar eclipse go backwards?

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