SpaceTime with Stuart Gary

21:37

S27E134: Perseverance's Rocky Ascent, Ramses Asteroid...

SpaceTime with Stuart Gary ·

2024/11/06

SpaceTime Series 27 Episode 134*Perseverance's Uphill Struggle in Jezero CraterNASA's Mars Perseverance Rover faces challenges as it attempts to climb the steep and slippery ridgeline of Jezero Crater. Despite its previous experience with steep inclines, this mission marks the first time the rover has tackled such a challenging combination of slope and surface. Engineers are exploring new strategies, including driving backwards and zigzagging, to improve traction. The goal is to reach the crater's

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27:51

S27E133: Earth's Mantle's Dual Blobs, China's Lunar...

SpaceTime with Stuart Gary ·

2024/11/04

SpaceTime Series 27 Episode 133*Earth's Mantle: Two Distinct Domains RevealedGroundbreaking research has unveiled that the Earth's mantle is composed of two distinct and separate types of materials, forming independent African and Pacific domains. This discovery, published in Nature Geoscience, challenges previous assumptions of a chemically uniform mantle. The study highlights how these domains have been shaped by the formation and breakup of supercontinents over the past 700 million years,

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33:55

S27E132: Betelgeuse's Binary Mystery, Branson's...

SpaceTime with Stuart Gary ·

2024/11/01

SpaceTime Series 27 Episode 132*Could Betelgeuse Actually Be Two Stars?A new study raises the intriguing possibility that the red supergiant Betelgeuse may not be on the brink of supernova, as previously thought. Instead, it might be a binary star system. This revelation, reported in the Astrophysical Journal, suggests that an unseen companion star could be causing Betelgeuse's pulsing brightness, challenging the long-held belief of its impending explosion.*Richard Branson to Co-Pilot Space

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22:40

S27E131: Milky Way's Gamma Ray Mystery, Triple Black...

SpaceTime with Stuart Gary ·

2024/10/30

SpaceTime Series 27 Episode 131*Ultra High Energy Gamma Rays Detected in the Milky Way's CoreScientists have detected ultra high energy gamma rays emanating from the centre of the Milky Way. This discovery, reported in the Astrophysical Journal Letters, offers a new perspective on the violent phenomena occurring in the galactic core. Using the High Altitude Water Cherenkov Observatory in Mexico, researchers measured these gamma rays at over 100 tera electron volts, providing insights into the cosmic

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24:09

S27E130: Universe's Early Light, Venusian Mysteries...

SpaceTime with Stuart Gary ·

2024/10/29

SpaceTime Series 27 Episode 130*Epoch of Reionization: New Insights from WebbA groundbreaking study suggests the epoch of reionization, a pivotal era in the universe's early evolution, may have occurred 350 million years earlier than previously believed. Utilising data from the James Webb Space Telescope, astronomers have uncovered a greater abundance of extreme ultraviolet emitting galaxies, challenging established models. This revelation might imply that the cosmic microwave background radiation

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27:46

S27E129: Martian Volcanic Discovery, Exomoon's...

SpaceTime with Stuart Gary ·

2024/10/25

SpaceTime Series 27 Episode 129*First Evidence of a Volcanic Splatocone on MarsScientists have identified what appears to be the first evidence of a volcanic splatter cone on Mars, similar to those found on Earth. This discovery, led by Ian Flynn from the University of Idaho, sheds light on the volcanic processes of the red planet. The presence of splatter cones, which form under specific conditions, provides new insights into Martian volcanology and the dynamics of volcanic eruptions.*Volcanic Moon

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23:40

S27E128: Moon's Ancient Impact, Earth's Magnetic...

SpaceTime with Stuart Gary ·

2024/10/23

SpaceTime Series 27 Episode 128*Dating the Moon's Oldest Impact CraterScientists have pinpointed the edge of the massive South Pole-Aitken Basin, the largest and oldest known impact crater on the Moon, dating it to over 4.32 billion years old. By analysing a lunar meteorite, researchers have concluded that this impact site is around 120 million years earlier than the previously believed intense period of impact bombardment. These findings provide a clearer picture of the Moon's early impact history

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34:47

S27E127: SpaceX's Triumph, Asteroid Mysteries, and...

SpaceTime with Stuart Gary ·

2024/10/21

SpaceTime Series 27 Episode 127*SpaceX's Starship's Fifth Test Flight SuccessSpaceX's Starship has completed its fifth test flight with a spectacular feat of engineering, successfully catching the super heavy booster with mechanical chopsticks on the launch pad tower. The booster, equipped with 33 Raptor engines, returned to Earth after a successful launch from SpaceX's Starbase in Texas, showcasing the potential for rapid reuse and interplanetary missions. The test flight marks a significant step

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23:27

Sun's Fiery Embrace, First Stars' Mystery, and Mars...

SpaceTime with Stuart Gary ·

2024/10/17

SpaceTime Series 27 Episode 126*NASA's Parker Solar Probe Completes 21st Philip of the SunNASA's Parker Solar Probe has achieved its 21st close encounter with the Sun, matching its previous distance and speed records. The spacecraft swooped to within 7.26 million kilometers of the solar surface at a record speed of 635,300 km/h. This flyby sets up the probe for its final closest approaches, with its orbit shaped by a Venus gravity assist. The mission, launched in 2018, aims to study the Sun's corona

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33:02

Spiral Galaxy's Ancient Order, Earth's Mantle...

SpaceTime with Stuart Gary ·

2024/10/16

SpaceTime Series 27 Episode 125*Discovery of the Most Distant Spiral GalaxyAstronomers have identified the most distant spiral galaxy ever seen, named REBELS 25. This galaxy, observed as it was 13.1 billion years ago, challenges current models of galaxy formation with its orderly spiral structure, despite being from an era when the universe was just 700 million years old. The discovery, made using the ALMA radio telescope in Chile, offers new insights into the early universe and the evolution of

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29:50

Galactic Giants, Ancient Microbes, and Vulcan's...

SpaceTime with Stuart Gary ·

2024/10/14

SpaceTime Series 27 Episode 124*Galaxies: Bigger Than We Ever ImaginedRecent findings suggest that galaxies are far larger than previously thought, with gaseous halos extending much further into intergalactic space. This study, published in Nature Astronomy, focuses on the circumgalactic medium of a starburst galaxy 270 million light-years away. These halos, accounting for about 70% of a galaxy's mass excluding dark matter, may already be interacting with neighboring galaxies like Andromeda and the

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29:19

Earth's Core Mystery, Moon's Origin Debate, and...

SpaceTime with Stuart Gary ·

2024/10/11

SpaceTime Series 27 Episode 123*Discovery of a New Region within the Earth's CoreScientists have uncovered a doughnut-shaped region within Earth's molten liquid outer core, located at low latitudes parallel to the equator. This torus-like zone was detected due to seismic waves travelling slower through this area compared to the rest of the liquid outer core. The discovery, published in Science Advances, suggests that this region could be several hundred kilometres thick and contains a high

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28:53

Solar Flare Frenzy, Ceres' Oceanic Past, and Europa...

SpaceTime with Stuart Gary ·

2024/10/09

SpaceTime Series 27 Episode 122*The Sun's Most Powerful Solar Flare in Over a DecadeThe Sun has unleashed its most powerful solar flare in more than a decade, with a spectacular X9.1 class event. This massive solar flare, part of a pair that erupted just two days apart, was detected by NASA’s Solar Dynamics Observatory. The event sparked strong G3 class geomagnetic storms, causing auroral activity to reach mid-latitudes and triggering deep shortwave radio blackouts. Solar flares, like this one, can

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21:42

Barnard's New Neighbour, Hera's Asteroid Mission, and...

SpaceTime with Stuart Gary ·

2024/10/07

SpaceTime Series 27 Episode 121*A New Planet Discovered Orbiting Barnard's StarAstronomers have discovered a new exoplanet orbiting Barnard's Star, the closest single star to the Sun. This newly found planet, Barnard b, has about half the mass of Earth and completes an orbit around its host star every three Earth days. Located 5.96 light-years away, Barnard's Star is a small red dwarf in the constellation Ophiuchus. The discovery was made using the European Southern Observatory's Very Large

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40:42

S27E120: Double Moon for Earth, Martian Atmosphere...

SpaceTime with Stuart Gary ·

2024/10/04

SpaceTime Series 27 Episode 120*Planet Earth Just Got a Second MoonPlanet Earth has temporarily acquired a second moon, a tiny near-Earth asteroid named 2024 PTS. Captured by Earth's gravitational field on September 29, this 10-metre wide Space rock will remain in orbit until November 25, making it one of only five known mini moons. Discovered by the Atlas asteroid terrestrial impact last alert system, 2024 PTS belongs to the Arjuna asteroid group and is too small to be seen with the naked eye but

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21:13

S27E119: Ancient Australian Crater, Mars' Zebra Rock,...

SpaceTime with Stuart Gary ·

2024/10/02

SpaceTime Series 27 Episode 119*Australian Crater Offers Fresh Insights into Earth's HistoryScientists have uncovered a potential 600-kilometre-wide crater in Australia's outback, which could revolutionise our understanding of Earth's geological past. This discovery, presented at the 37th International Geological Congress in South Korea, suggests the existence of Mapix, a massive Cambrian-Precambrian impact structure. The crater's unique characteristics could provide new insights into the geological

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24:30

S27E118: Dark Matter's Hidden Forces, Naked Eye...

SpaceTime with Stuart Gary ·

2024/09/30

SpaceTime Series 27 Episode 118*Dark Matter May Be Experiencing Forces Beyond GravityA groundbreaking new study suggests that dark matter, the elusive substance making up 85% of the universe's matter, may interact through forces other than gravity. Using observations from the Hubble Space Telescope, researchers have found that dark matter particles might experience additional forces, providing crucial new insights into their nature. The findings challenge the long-held collisionless cold dark matter

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31:02

S27E117: Colossal Black Hole Jets, Europa Clipper's...

SpaceTime with Stuart Gary ·

2024/09/27

SpaceTime Series 27 Episode 117*The Biggest Black Hole Jets Ever SeenAstronomers have detected the largest pair of black hole jets ever observed, stretching an astounding 23 million light years. Named Porphyron, this jet megastructure dates back to when the universe was just 6.3 billion years old. The discovery, published in the journal Nature, suggests that these colossal jets had a significant impact on galaxy formation during the universe's early epochs.*NASA's Europa Clipper Mission Ready for

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25:34

S27E116: Unexpected Black Hole Abundance, Io's...

SpaceTime with Stuart Gary ·

2024/09/25

SpaceTime Series 27 Episode 116*Discovery of More Black Holes Than Expected in the Early UniverseA new study using the Hubble Space Telescope has uncovered a significantly higher number of supermassive black holes in the early universe than previously anticipated. Published in the Astrophysical Journal Letters, the findings could revolutionise our understanding of how these ancient black holes formed shortly after the Big Bang. Astronomers, including Alice Young from Stockholm University, suggest

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37:11

S27E115: Black Hole Star Feasts, Earth's Mantle...

SpaceTime with Stuart Gary ·

2024/09/23

SpaceTime Series 27 Episode 115*How Black Holes Eat StarsAstronomers have developed a groundbreaking computer simulation detailing how supermassive black holes at the centres of galaxies can rip apart and consume entire stars. The study, published in the Astrophysical Journal Letters, provides new insights into the mysterious optical and ultraviolet emissions observed during these catastrophic events. Lead author Daniel Price from Monash University explains that the simulation captures the full

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