SpaceTime with Stuart Gary

Journey through the cosmic tapestry with SpaceTime Series 27 Episode 60, where we unearth the echoes of creation by discovering one of the most ancient stars ever seen in another galaxy. This remarkable find could lead us to the elusive first generation of stars that illuminated the universe from darkness to the dawn of clarity. These celestial ancestors, born from the pure elements of the Big Ban...

Embark on an interplanetary journey with SpaceTime Series 27 Episode 59, where we unravel the enigmatic atmosphere of Venus and its waterless environment. Discover the startling new study that suggests Venus lost its water reserves to space, leaving it with a mere fraction of Earth's water despite their similar origins. The episode dives into the complex chemical reactions in Venus's atmosphere th...

Embark on a cosmic expedition with SpaceTime Series 27 Episode 58, where we delve into the mysteries of Earth’s ancient magnetic field and its role in the diversification of life.  Join us as we explore a pivotal period over half a billion years ago when a weakening magnetic shield may have paved the way for a dramatic increase in atmospheric oxygen, fostering the rise of complex organisms and set...

Embark on a celestial odyssey with SpaceTime Series 27 Episode 57, where we unravel the rapid evolution of spiral galaxies. Our cosmic journey begins over 10 billion years ago, as new observations from the Webb Space Telescope reveal the early formation of star bars. These stellar structures, pivotal in the maturation of galaxies, were once thought to emerge in a chaotic young universe. Yet, they...

Embark on an interstellar odyssey with SpaceTime Series 27 Episode 56, where we delve into the enigmatic geysers of Saturn's icy moon Enceladus. Unravel the mystery behind these spectacular jets as new research draws parallels with Earth's own San Andreas Fault, suggesting a strike-slip motion akin to our tectonic shifts may be powering these icy eruptions. Discover how this celestial phenomenon c...

The Space, Astronomy and Science Podcast. SpaceTime Series 27 Episode 55 *New findings point to an Earth-like environment on ancient Mars A new study using data from NASA’s Mars curiosity rover suggests there was once an Earth-like environment on ancient Mars. *Could purple be the new green in search for alien life A new study suggests that life on other planets with different atmospheres and orbi...

Dive into the cosmic depths with SpaceTime Series 27 Episode 54, where we journey back 3.7 billion years to uncover the oldest evidence of Earth's magnetic field. Join us as we explore pristine ancient rocks from Greenland, revealing a magnetic strength similar to today's, and potentially extending the known age of our planet's protective shield by hundreds of millions of years. This discovery cou...

Embark on an interplanetary investigation with SpaceTime Series 27 Episode 53, as we delve into the perplexing presence of methane on Mars. The red planet's mysterious emissions have puzzled scientists for years, with seasonal spikes and unpredictable behavior sparking debates on their origin. Could biological activity be the source, or are geological interactions to blame? Join us as we explore a...

Dive into the cosmos with SpaceTime Series 27 Episode 52, as we traverse the stellar seas to discover a groundbreaking revelation: stardust from a supernova, harboring secrets from a newly identified type of star. An extraordinary find in an ancient meteorite has led scientists to a hydrogen-burning supernova, a stellar phenomenon only recently recognized by astronomers. This episode sheds light o...

Embark on a celestial journey with SpaceTime Series 27 Episode 51, as we unravel the mysteries of Pluto's heart. Scientists, armed with sophisticated computer simulations, have finally pieced together the enigmatic origins of the dwarf planet's heart-shaped feature, Sputnik Planitia. This episode delves into the colossal impact that sculpted Pluto's icy facade, challenging previous assumptions abo...

Venture into the unknown with SpaceTime Series 27 Episode 50, as we embark on an interplanetary adventure that transcends the boundaries of our earthly skies. NASA confirms its bold mission to dispatch a pioneering rotocopter to the enigmatic Saturnian moon, Titan. The Dragonfly mission is set to soar through Titan's dense atmosphere, exploring its organically rich landscapes in search of prebioti...

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...

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 u...

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...

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, of...

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 ma...

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 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...

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, challengi...

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...

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 simi...

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 o...

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 i...

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...

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. Th...