Episodes
Published 04/22/24
Prepare for a cosmic revelation in SpaceTime Series 27 Episode 49, as we journey through the Milky Way to uncover a celestial heavyweight—the most massive stellar black hole ever discovered in our galaxy. Detected by the vigilant eyes of the European Space Agency's Gaia mission, this black hole, known as Gaia BH3, imposes a peculiar wobble on its companion star, betraying its presence. Weighing in at a colossal 33 solar masses and residing a mere 2,000 light-years away in the constellation...
Published 04/22/24
Embark on an astronomical odyssey with SpaceTime Series 27 Episode 48, as we unveil the most detailed view of the expanding universe to date. The first-year data from DESI, the Dark Energy Spectroscopic Instrument survey, is in, and it's changing the cosmic game. This groundbreaking five-year study is mapping the universe in 3D, charting the enigmatic influence of dark energy over time. Will the universe meet a chilling big freeze, or will dark energy's relentless acceleration lead to a...
Published 04/19/24
Prepare to illuminate the shadowy frontiers of space in SpaceTime Series 27 Episode 47. We begin by shedding light on new findings that reveal brown dwarfs, those celestial enigmas straddling the line between the largest planets and the smallest stars, are far more star-like than we ever imagined. Born from the same intricate dance of gas and dust that gives rise to stars, these failed stars have a story more intertwined with their luminous kin than previously thought.  Next, we peer into the...
Published 04/17/24
SpaceTime Series 27 Episode 46: The Cosmic Dance of Neutron Stars and Black Holes Join us on a thrilling journey through the cosmos in SpaceTime Series 27 Episode 46, where we delve into the mysteries of a possible neutron star-black hole merger detected in gravitational waves. The LIGO-Virgo-KAGRA collaboration may have stumbled upon a cosmic ballet between the densest objects in the universe, offering tantalizing clues about the elusive mass gap and challenging our understanding of stellar...
Published 04/15/24
SpaceTime Series 27 Episode 45 *Perseverance collects its 24th sample on Mars NASA’s Mars Perseverance Rover has just collected its 24 geological sample from the surface of the red planet.  The drill core offers new clues about Jezero Crater and the lake it may have once held. *New date set for Starliner's first manned mission NASA has set May 6 as the opening of the launch window for the first manned flight of Boeing’s long troubled CST-100 Starliner.  The flight to the International Space...
Published 04/12/24
The Space, Astronomy and Science Podcast. SpaceTime Series 27 Episode 44 *New Clues About Mars’ Ancient Water NASA’s Mars Curiosity rover has arrived at an area in Gale Crater’s Mount Sharp that may show evidence liquid water flowed on the red planet for much longer than previously thought. *NASAs new Moon buggies NASA has selected three companies to help it develop its proposed new Moon buggy --- the lunar terrain vehicle or LTV. *The largest digital camera ever built for astronomy After two...
Published 04/10/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 43 *The Milky Way's Faintest Star System Unveiled Astronomers have unveiled the faintest star system known to orbit our Milky Way galaxy, Ursa Major III Unions I. This ancient and elusive star system, reported in the Astrophysical Journal, may be one of the most dark matter-dominated systems discovered, lying just 30,000 light-years away. With only about 60 stars and a mass just 16 times that of the Sun, it challenges our...
Published 04/08/24
This episode is brought to you by NordPass...the password manager (and more) that you need in your life for not very much money. To get the deal, visit www.nordpass.com/stuart The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 42 *Water's Persistent Presence in Mars' Gale Crater Mars' Gale Crater may have harbored water far longer than scientists previously believed, challenging our timeline of the Red Planet's arid transformation. New evidence from NASA's Curiosity...
Published 04/05/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 41 *The Scandinavian Connection: Born from Greenland's Ancient Crust In a groundbreaking geological study, scientists have traced the oldest Scandinavian bedrock back to its origins in Greenland, revealing a continental connection dating back 3.75 billion years. Published in the journal Geology, this research uncovers a hidden chapter of Earth's crust beneath Denmark and Scandinavia, suggesting a tectonic detachment from...
Published 04/03/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 40 *Magnetic Mysteries at the Milky Way's Heart The Event Horizon Telescope has revealed organized magnetic fields swirling at the periphery of Sagittarius A*, the supermassive black hole at the Milky Way's core. In a groundbreaking observation, astronomers have captured these fields in polarized light, finding remarkable similarities to the black hole in galaxy M87. This discovery suggests that strong magnetic fields...
Published 04/01/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 39 *Unveiling the Einasto Supercluster: A Cosmic Behemoth Astronomers have unveiled one of the most massive superclusters ever observed, a colossal structure named the Einasto Supercluster. Comprising thousands of galaxies and a mass of 20 followed by 15 zeros in stars, this supercluster is a testament to the pioneering work of Jan Oort, whose 95th birthday coincides with the discovery. The Einasto Supercluster,...
Published 03/29/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 38 *Witnessing the Final Stages of Planetary Formation For the first time, astronomers have captured the end of the planetary formation process, observing the dispersal of gas from a young star's circumstellar disk. The James Webb Space Telescope has provided unprecedented images of the Tchar star system, where a vast gap in its disk suggests we're witnessing the final act in its planetary evolution. The study sheds light...
Published 03/27/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 37 *Betelgeuse's Surprising Spin: A Red Supergiant's Secrets Astronomers have been intrigued by the rapid rotation of the red supergiant star Betelgeuse, but new insights suggest its seemingly swift spin could be an illusion caused by its boiling surface. The star's dimming, once thought to herald an imminent supernova, turned out to be dust obscuring our view. Located in Orion, Betelgeuse's tumultuous surface, with...
Published 03/26/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 36 *The Precise Mass of Neutron Stars Unveiled Astronomers have pinpointed the exact upper mass limit for non-rotating neutron stars, providing a critical piece to the puzzle of black hole evolution. The study, detailed in Physical Review D, reveals that the heaviest non-rotating neutron stars weigh about 2.25 solar masses. This breakthrough in nuclear physics and astrophysics could refine our understanding of the stellar...
Published 03/22/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 36 *Mars Unveils a Colossal Volcanic Secret Astronomers have discovered a massive ancient volcano on Mars, hidden beneath an ice sheet in the planet's Tharsus volcanic province. This behemoth, which has eluded detection by orbiting spacecraft since 1971, could offer new insights into the Red Planet's geologic past and potential for life. The structure, tentatively named Noctus Volcano, stands over 29,600 feet tall and...
Published 03/20/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 34 *SpaceX's Starship Tests the Limits of Spaceflight In a breathtaking display of rocketry, SpaceX's Starship edges closer to the stars, nearly perfecting its third flight test. The behemoth of engineering, the Starship Super Heavy, roared through the Texan skies, reaching for orbital velocity. Despite a few hiccups, including the loss of both the Starship and its Super Heavy booster, the test marked significant progress...
Published 03/18/24
For your special NORDVPN discount and risk free 30 Day Money back guarantee, visit www.nordvpn.com/stuartgary and use the code STUARTGARY at checkout. Get your online privacy under control with the best in the business. The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 33 *The Black Hole that Ripped Apart a Star In a cosmic display of destruction, astronomers have witnessed the closest recorded incident of a star being devoured by a supermassive black hole. The event,...
Published 03/15/24
This episode is brought to you with the support of Incogni....the data protection service. To claim your special offfer benefit as a SpaceTime listener visit www.icogni.com/stuartgary or use the coupon code STUARTGARY at checkout. 60% off and a 30-day money back guarantee. The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 32 *Juno's Icy Encounter: Oxygen Production on Europa NASA's Juno spacecraft has made a groundbreaking discovery, directly measuring charged oxygen and...
Published 03/13/24
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support. The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 31 *The Enigma of the Universe's Oldest Dead Galaxy In a universe brimming with stellar birth, astronomers have stumbled upon a galaxy that ceased forming stars over 13 billion years ago. This ancient cosmic graveyard, captured by the Webb Space Telescope, is challenging our understanding of galactic life...
Published 03/11/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 30 *Unveiling the Mysteries of Dark Matter with Hypothetical Axion Stars Could the enigmatic axion star hold the key to understanding dark matter? Join us as we delve into the realm of theoretical physics, where scientists are using the expected properties of these never-before-seen stars to potentially pinpoint the elusive components of dark matter. First proposed in 1977, axions are lightweight candidates for dark...
Published 03/08/24
This episode of SpaceTime is brought to you by Incogni...the new privacy and data protection specialists who work tirelessly for you. To get your special SpaceTime bonus visit www.incogni.com/stuartgary The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 30 *Discovery of a Short-Period Brown Dwarf Raises New Questions Astronomers have detected a new short-period brown dwarf, NGTS-28 AB, orbiting a red dwarf star 402 light-years away. This brown dwarf completes an orbit...
Published 03/06/24
Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support. The Space, Astronomy and Science Podcast. SpaceTime Series 27 Episode 28 *Odysseus lunar lander placed into sleep mode Intuitive Machines will place their Odysseus Nova-C lunar lander into sleep mode in the hope of waiting out the 15 Earth Day long lunar night following its sideways touch down last week near the Lunar south pole. *The Atlantic Ocean could start to disappear in 20...
Published 03/05/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 27 *Hints of an Extended Kuiper Belt: New Horizons' Dusty Discoveries NASA's intrepid New Horizons spacecraft, now journeying through the outer reaches of the Kuiper Belt, has detected unexpectedly high levels of cosmic dust. This discovery suggests that the Kuiper Belt, a frigid expanse beyond Neptune, may stretch much farther into space than previously believed. Could this mean the existence of a second belt, or an...
Published 03/01/24
The Space, Astronomy & Science Podcast. SpaceTime Series 27 Episode 26 *The Brightest and Fastest Growing Black Hole Quasar Ever Seen Astronomers have uncovered a cosmic colossus: the most luminous quasar known, powered by a black hole 17 billion times the mass of the Sun and growing at a staggering rate. The quasar J0529-4351, situated over 12 billion light-years away, is a beacon from the early universe, challenging our understanding of black hole formation and growth. *Supernova...
Published 02/28/24