How our knowledge and understanding of the universe has increased over the centuries so that we now have a surprisingly accurate idea of its size, age and makeup - much of it unseen in the form of dark matter and dark energy!

All our lectures are available for free download from the Gresham College website, in video, audio or text formats: gresham.ac.uk
Gresham College professors and guest speakers have been giving free public lectures in central London since 1597. This tradition continues today and you can attend any of our lectures, or watch or listen to them on our website.
Website: gresham.ac.uk
Twitter: twitter.com/GreshamCollege
Facebook: facebook.com/pages/Gresham-College/14011689941

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