The Quasar from The Beginning of Time | STELLAR
Summary
Hosted by PBS Space Time, this episode explores the discovery of the most distant known quasar using the Gemini telescope atop Mauna Kea. The narrative details how astronomers utilized infrared spectroscopy and adaptive optics to analyze light that traveled 13.1 billion years, revealing a supermassive black hole formed when the universe was just 5% of its current age. The discussion highlights how this object provides critical insights into the era of cosmic reionization and the rapid growth of early black holes, challenging current models of astrophysics.
Topics discussed
Sponsorships: LinkedIn and Uber Eats
Introduction to Mauna Kea and its significance
Tour of the observatory and its telescopes
The discovery of the distant quasar
Inside the Gemini telescope and light physics
Sponsorships: LinkedIn and Uber Eats
Adaptive optics and correcting atmospheric blur
Analyzing the quasar spectrum and redshift
Reionization and the early universe's hydrogen
Estimating the mass of the supermassive black hole
Conclusion and future of gravitational wave astronomy
Sponsorships: Draper and PBS Summer of Space
Sponsorship: Uber Eats
Sponsorship: Citizens and Silicon Valley Bank
Sponsorship: Anthropic and Claude AI
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