Welcome!
How did the Universe begin? This question has occupied humanity for millennia. Whilst we have not yet answered this question, modern cosmology has taken us closer to it. This website describes how scientists working in the Simons Observatory collaboration are trying to advance our understanding of this fascinating area!
The Simons Observatory is going on tour! From the 30th of June 2026 to the 5th of July 2026 the Simons Observatory will be at the Royal Society's Summer Science Exhibition.
Introducing the Simons Observatory
What is the cosmic microwave background (CMB)?
What causes the CMB pattern?
How do we measure the CMB?
How do we learn about the properties of the Universe from the CMB?
Find out more on the Royal Society Summer Science Exhibition
Find out more on the Simons Observatory Collaboration
