Why Is There Motion in the Universe?

What the heck are neutrinos?

Jun 23, 202654 minSummary

In this episode of The Supermassive Podcast, hosts Izzy Clark and Dr. Becky Smethurst explore the mysterious world of neutrinos, the subatomic particles that pass through our bodies by the trillions every second. Joined by experts including Dr. Robert Massey and Dr. Kirsty Duffy, the hosts peel back the layers on these incredibly light, uncharged, and elusive particles that have baffled scientists for decades. The discussion covers the fundamental nature of neutrinos, explaining how they exist in three flavors and why their surprising discovery of mass challenges the Standard Model of particle physics. The episode highlights why neutrinos are vital messengers from the "violent universe," detailing their role in supernova explosions and the potential to signal the birth of black holes. Listeners will learn why these particles are not considered dark matter, how they have been used to capture an image of the sun from beneath the Earth's surface, and the cutting-edge theory that neutrinos might hold the key to understanding why matter dominates over antimatter in our universe. It is a fascinating look at the particles that influence existence itself.

How Do Space Telescope Work?

May 28, 20261h 3mSummary

In this episode of The Supermassive Podcast, host Izzy Clark and astrophysicist Dr. Becky Smethurst explore the evolution and future of space telescopes. They are joined by Dr. Robert Massey from the Royal Astronomical Society to provide a historical overview, tracing the technology from early sounding rockets to the revolutionary impact of the Hubble Space Telescope. The discussion highlights how space observatories allow astronomers to bypass atmospheric interference, granting access to wavelengths like X-rays, ultraviolet, and infrared that remain hidden from ground-based view. A significant portion of the episode focuses on the upcoming Nancy Grace Roman Space Telescope. Dr. Tom Barclay explains that Roman is designed as a wide-field survey mission, capable of mapping large areas of the sky with unprecedented speed and data volume. The hosts discuss how this capability perfectly complements the James Webb Space Telescope (JWST), which excels at deep, high-resolution observations of specific targets. By partnering these missions, scientists hope to unlock new insights into dark energy, the frequency of exoplanets, and the earliest stages of the universe, demonstrating an exciting, collaborative era of observational astronomy that continues to push the boundaries of human knowledge.