Explore the hidden wonders of the cosmos in this 50-minute talk by astronomer Matthew Bothwell at The Royal Institution. Delve into the invisible universe beyond what the naked eye can see, from infrared light to submillimeter wavelengths. Learn about groundbreaking discoveries made possible by advanced telescopes like Hubble and upcoming missions like the James Webb Space Telescope. Uncover the mysteries of ancient galaxies, red and dead galaxies, and submillimeter galaxies that challenge our understanding of cosmic evolution. Gain insights into how astronomers detect invisible light and what it reveals about the universe's composition and history. Journey through the full electromagnetic spectrum and discover how it expands our view of the cosmos far beyond visible light.
Overview
Syllabus
Introduction
Light
William Herschel
Infrared light
Light is a wave
The electromagnetic spectrum
The full spectrum
Invisible galaxies
Red and dead galaxies
Hubble Deep Fields
Hubble Space Telescope
Invisible lights
Submillimetre light
How we detect submillimetre light
How we detect long wavelength light
Scuba
What does Scuba look like
What are these things
Ancient galaxies
What are they made of
Submillimetre galaxies
Galaxy evolution
The mystery of submillimetre galaxies
James Webb Space Telescope
Taught by
The Royal Institution
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