oumuamua
OUMUAMUA
1I/2017 U1 is the official name of Oumuamua, an interstellar object which was spotted through the Pan-STARRS telescope in 2017. The object is mysterious. Researchers simply don’t know what it was. It’s the first interstellar object humans have ever seen. It’s likely that the object was quite thin and no longer than 1 kilometre. That means it’s very small in the context of the universe, but quite big in the context of human history.
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Seeing Stars Citizen Science
During the night of Seeing Stars Leiden, Citizen Science will try to answer many burning questions!
More-than-Planet
Starting on the 2nd of July, you can view a new exhibition at the Leiden Observatory: More-than-Planet. How do we imagine our planet?
Telescope training
Curious to learn about telescopes? Bring your own telescope or borrow one from the B+C Library and learn how to use it best.
The Leiden Maths Walk
For lovers of maths, there's a walk they can go on all by themselves: The Leiden Maths Walk with challenging mathematical questions.
Route of Discoveries
There have been a lot of amazing and important discoveries done in Leiden. Follow the Route of Discoveries: see new places in the city or fi...
