Space Nuts: Nuclear Space Policies, SETI from the Moon’s Far Side, and Cosmic Oddities In this episode, we explore the provocative new directions in space nuclear energy, delve into the extraterrestrial search from the lunar far side, and uncover some of the universe's strangest mysteries. Whether you're curious about the future of space power, the chances of detecting alien signals, or the universe’s weirdest phenomena, this discussion sharpens your cosmic perspective. In this episode: The US Pentagon and NASA’s upcoming nuclear space reactor initiatives with a 2028 deadline The potential of the moon’s far side as the prime location for SETI pursuits How the size and mass of black holes influence the experience of falling into one The long-term fate of white dwarf stars, crystallization, and the formation of diamond cores Quirky cosmic oddities, including the Sun-Moon size coincidence and the peculiarities of planetary rotations The ongoing debate about the Hubble tension and what it might reveal about new physics Timestamps: 00:00 - Introduction to space nuclear policy and moon-based SETI 02:24 - NASA’s nuclear reactor plans powering lunar missions by 2028 04:11 - The collaboration between US defense, NASA, and the White House on space reactors 07:57 - The history, safety, and public perception of nuclear power in space 10:38 - RTGs, past accidents, and the safety measures of nuclear power in space exploration 15:29 - The moon’s far side as an ideal spot for SETI and the capabilities of China’s Chang’e 4 19:03 - Searching for technosignatures with lunar-based instruments and the challenges posed by radio noise 21:05 - The importance of broad spectrum coverage and the potential of upcoming telescopes like the Square Kilometre Array 23:35 - Deep space communication and the limits of detecting extraterrestrial signals 24:31 - The debate about the Hubble tension and what it could mean for physics 28:26 - Refining the cosmic distance ladder and the significance of the differing Hubble constant estimates 32:37 - The possibility that the Hubble tension hints at new physics, dark matter, and dark energy 35:33 - Cosmic oddities: The sun-Moon size coincidence, neutron star mountains, and planetary quirks 44:38 - Theoretical stars, black hole effects, and oddities in gravity at cosmic scales 55:22 - The stability of the Sun, the role of Lagrange points, and pathways for interplanetary travel 62:05 - Marveling at the strange features of planets, moons, and the universe's vast scales 66:46 - How gravitational waves are measured with incredible precision, and other space wonders 67:31 - Wrapping up with the universe's strange and fascinating phenomena. Resources & Links: Space Nuts Podcast NASA’s Nuclear Power Missions Phys.org: Search for Extraterrestrial Life Square Kilometre Array Hubble Space Telescope The Physics of Crystallizing White Dwarfs Dark Matter & Dark Energy Explained Interstellar Tour of Solar System LIGO and Gravitational Wave Discovery Connect with the Hosts & Guest: Andrew Dunkley: Twitter Fred Watson: Twitter Additional Notes: For those intrigued by the universe’s long timelines, the discussion on white dwarf crystallization and black hole physics provides a fresh perspective on stellar evolution and cosmic timescales. The episode emphasizes how current technological advancements and ongoing observations might soon resolve longstanding puzzles like the Hubble tension, opening new windows into physics. Curiosity about cosmic oddities is reinforced with references to planetary rotation quirks, moons, and the universe’s structural features, reminding us how strange and wonderful space truly is.
