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How short is the shortest day?
Happy Yule! As you probably know, Yule (Jól) was the pagan Nordic celebration of the bleak midwinter. And it’s the winter solstice...
Seb Falk
Dec 21, 20164 min read


The start of summer?
Facebook greeted me today with this little graphic: Given that this is the radar picture over the UK this morning, it’s not surprising...
Seb Falk
Jun 20, 20163 min read


Precision and accuracy in medieval astronomy
What is the difference between precision and accuracy? In modern English they are used almost interchangeably. But there is a...
Seb Falk
Jan 21, 20154 min read
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