Astronomical Images: When people look at an atlas and see a photograph - A conversation with Joni Tammi

Since the early 20th century, astronomy has been evolving far beyond the optical telescope. While powerful optical telescopes are still very much a viable tool for astronomers, astronomical scientists are relying on new technologies, such as radio interferometry, to look deeper into space. Interferometry combines the results of several radio telescopes situated around the world to create a much bigger astronomical picture as if taken by a single telescope the size of Earth. In this TSB conversation, Joni Tammi, the director of Metsähovi Radio Observatory, discusses the evolution of imaging technologies in astronomy.

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Understanding something as simple as the Sun

Prof. Lucie Green is a solar physicist based at the Mullard Space Science Laboratory, UCL’s Department of Space and Climate Physics. Besides being a great scientist, Lucie Green is also an inspiring science communicator and is very active in public engagement with science. She gives public talks regularly and is a television and radio host. In 2016, she published her first book 15 Million Degrees: A journey to the centre of the Sun, which discusses the history of solar physics until the current research and the “hot topics” of the field.

 

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