How Astronomy Changed our View of the Cosmos: from Gresham to the 21st Century

Thomas Gresham lived from 1519 to 1579. The first telescope was designed in 1608 in the Netherlands, and first pointed at the heavens by Galileo a year later. The greatest discoveries since the pre-telescope era have been that of the existence of many other planets around distant stars, and the vastness of the universe.

So much has happened since Gresham's era, yet many of the questions about our cosmic origins still remain.

A lecture by Joseph Silk, Gresham Professor of Astronomy 6 March 2019

The transcript and downloadable versions of the lecture are available from the Gresham College website:
https://www.gresham.ac.uk/lectures-and-events/astronomy-gresham-21st-century

Gresham College has been giving free public lectures since 1597. This tradition continues today with all of our five or so public lectures a week being made available for free download from our website. There are currently over 2,000 lectures free to access or download from the website.

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