Spacetime With Stuart Gary
- Autor: Vários
- Narrador: Vários
- Editor: Podcast
- Duración: 530:46:01
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Sinopsis
The new home of the ABCs (Australia) popular astronomy podcast (formerly known as StarStuff). Recognized worldwide by our listeners and industry experts as one of the best programs on Astronomy and Space Science.
Episodios
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32: More monster black holes discovered
26/04/2017 Duración: 33minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) * More monster black holes discovered The number of monster black holes thought to exist across the universe has just doubled. The findings are based on the discovery of two supermassive black holes in the ultra-compact dwarf remnants of a pair of shredded galaxies. *Astronomers get closer to solving the mystery of pulsars Astronomers are a step closer to uncovering the mystery of how rapidly spinning neutron stars called pulsars generate their powerful energy beams. The findings indicate the beams are far more complex than previously through. *First results from the Breakthrough Listen Initiative looking for intelligent life beyond Earth. The Breakthrough Listen Initiative which is searching the skies for signs of extraterrestrial intelligence has found 11 events which they regard as being significant and worth further investigation. The findings were part of the petabytes of data collected during the firs
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31: Discovery of a potential new dwarf planet
21/04/2017 Duración: 30minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) * Discovery of a potential new dwarf planet A distant member of our solar system could be the latest in a growing group of celestial bodies known as dwarf planets. Measurements of 2014 UZ224 – and more informally known as DeeDee – indicates it’s roughly 635 kilometers wide -- large enough have sufficient mass to be self-gravitating – in other words round – one of the criteria necessary for astronomers to consider it a dwarf planet. *Record breaking pulsar neutron star system discovered Citizen scientists have helped astronomers discover an unusual record breaking double neutron star system. The findings will help scientists better understand and test Albert Einstein’s theory of general relativity which explains the interaction of mass and the fabric of spacetime. *Three Australian Satellites launched on Cygnus cargo ship bound for Space Station Orbital’s seventh Cygnus Cargo ship has successfully blasted of
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30: New clues for life on Saturnian moon
19/04/2017 Duración: 26minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) * New clues for life on Saturnian moon Molecular hydrogen gas has been discovered in plumes erupting from Saturn's ice moon Enceladus. Scientists say the hydrogen was part of a soup of water and minerals analogous to hydrothermal vents at the mid ocean ridges on Earth, which are known to support life on the seafloor. *Four new objects being investigated in the search for Planet 9 A search hunting for a possible ninth planet in the dark outer reaches of the solar system has discovered a new system of four exoplanets orbiting a nearby star. The discovery was part of the BBC’s Stargazing Live broadcast from the Siding Spring Observatory in outback New South Wales. *New study of the strange Casimir Effect on quantum particles Physicists have discovered a new property exhibited by the Casimir Effect -- a strange force that effects matter on the smallest of scales. The new research expands on what science underst
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29: New warning signs for supernovae discovered
14/04/2017 Duración: 31minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) * New warning signs for supernovae discovered Astronomers have detected a potential new warning sign displayed shortly before a star is destroyed in a supernova explosion. A report claims the progenitor stars of core collapse or Type II supernovae – display significant instability in the final Earth year leading up to their cataclysmic destruction. *More tantalizing hints of possible past life on Mars Scientists re-examining minerals originally studied years ago by NASA’s Mars rover Spirit, now believe they could represent a tantalizing possible biological marker for past life on the red planet. The minerals – known as opaline silica deposits – were examined by the six wheeled golf cart sized robotic rover in 2007 -- near a circular geological feature called Home Plate in the Inner Basin of the Columbia Hills region in the red planet’s Gusev Crater. *Giant cold spot discovered on Jupiter Astronomers have di
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28: Three new Fast Radio Bursts discovered - SpaceTime with Stuart Gary Series 20 Episode 28
12/04/2017 Duración: 29minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *Three new Fast Radio Bursts discovered Astronomers have used one of Australia’s almost forgotten radio telescopes to discover three new Fast Radio Bursts -- mysterious nanosecond long flashes of energy which have so far defied any explanation. The team made the discovery using the old Molonglo radio telescope 40 kilometres from Canberra. *Astronomers identify purest, most massive brown dwarf Astronomers have discovered the most massive brown dwarf ever seen. The record breaking object, known as SDSS J0104+1535 has the purest composition of any brown dwarf ever observed. *Event Horizon telescope deployed to study black holes Astronomers have deployed a powerful array of telescopes to undertake the first ever detailed image of the black hole at the centre of our galaxy. The Event Horizon Telescope is an international joint effort to link some of the world’s most powerful radio telescopes to examine Sagittari
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27: How the Martian atmosphere was lost to space
07/04/2017 Duración: 35minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *How the Martian atmosphere was lost to space New results from NASA’s MAVEN spacecraft have confirmed theories that Solar wind and radiation are responsible for stripping the Martian atmosphere -- transforming the red planet from a warm wet world that could have supported life billions of years ago, into a freeze dried desert. The findings used measurements of today's atmosphere to give the first estimate of how much gas has been removed from Mars over time. *Why isn't the rotation of Earth slowing down as fast as it should be? The Earth’s rotation is slowing down – but a new study claims it’s not slowing down as quickly as it should. The findings are based on a study of hundreds of ancient eclipse records and lunar occultations *April Skywatch On this month’s skywatch we check out the stars of the Southern Cross the Alpha Centauri star system and the Lyrids meteor shower generated by the comet C-1 Thatcher
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26: Citizen science - Searching for Planet 9
05/04/2017 Duración: 28minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *A new explanation for the accelerating expansion of the universe without dark energy Scientists have come up with a new way of explaining the apparent accelerating expansion of the universe without needing to include a mysterious force called dark energy. They claim it’s all down to the large scale structure of the cosmos. *Searching for planet 9 Astronomers are inviting the general public to help them search for the mysterious Planet 9 which is believed to exist in the dark outer reaches of the solar system. The new citizen science project was launched at a BBC Stargazing live broadcast from the Siding Spring Observatory in outback New South Wales. *Mysterious new type of cosmic blast discovered NASA’s Chandra X-ray Observatory has discovered a new type of mysterious cosmic blast. The never before seen flash of X-rays was detected through the deepest X-ray image ever obtained. For Enhanced Show Notes, inc
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25: Discovery of a new type of star formation
31/03/2017 Duración: 25minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *Discovery of a new type of star formation Astronomers have discovered a new way to produce stars. Researchers have found that can form in the powerful outflows generated by supermassive black holes meaning that black holes don’t just destroy stars –they can also create new ones. *Pillars of destruction in the carina nebulae Spectacular new observations of vast pillar-like structures within the Carina Nebula providing new insights into how ephemeral these giant structures really are. *Electric sands discovered on Titan Sands on the Saturnian moon Titan are highly electrically charged. The findings help explain unusual features seen in Titan’s landscape. *NASA's Juno spacecraft completes its fifth Jupiter flyby NASA's Juno spacecraft has successfully completed its fifth close flyby of the Jovian atmosphere. Mission managers say all of the probes camera’s and its eight science instruments were operational dur
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24: The Peter Pan galaxies that seem to never grow old
29/03/2017 Duración: 27minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *The Peter Pan galaxies that seem to never grow old A new survey has doubled the number of Peter Pan galaxies known to exist. The so called Peter Pan galaxies are young, compact radio galaxies which produce powerful jets of radio energy shooting out from their galactic cores like lighthouse beacons. *New portal to unveil the dark sector of the universe Scientists are developing a new portal to unveil a mysterious dark sector of the universe. However, they’re still struggling to detect the hidden particles beyond the standard model – particles that constitute a dark sector of the Universe. *Martian volcanoes were still active when Earth’s dinosaurs went extinct. There’s growing evidence that far from being a cold dead world Mars was still geologically alive until very recently. The new findings indicate volcanoes were still erupting on the red planet‘s surface as recently as 50 million years ago. *China laun
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23: Cassini’s grand finale going out in a blaze of glory
25/03/2017 Duración: 29minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *Cassini’s grand finale going out in a blaze of glory NASA’s Cassini spacecraft which has been orbiting the Saturnian system since 2004 will officially end its mission with a suicidal death plunge into the ringed world on September 15, this year. As part of its end game mission managers at NASA’s Jet Propulsion Laboratory in Pasadena California have begun sending the probe on riskier more adventurous missions. *Could Fast Radio bursts be powering alien ships The search for extraterrestrial intelligence has looked for many different signs of alien life, from radio broadcasts to laser flashes, without success. However, a new study that the mysterious phenomena known as fast radio bursts could be evidence of advanced alien technology. *Scientists make the case to restore Pluto's planet status A group of scientists are proposing a new definition for a planet. The current definition was formulated after observat
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22: Early Galaxies dominated by ordinary rather than dark matter
22/03/2017 Duración: 26minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *Early Galaxies dominated by ordinary rather than dark matter A new study has found that early galaxies were dominated by ordinary matter rather than the dark matter which dominates galaxies today. The findings mean dark matter – which makes up around 80 percent of all the matter in the universe today – was far less influential in massive, star-forming galaxies during the peak epoch of galaxy formation, 10 billion years ago. *How ghostly neutrino particles could improve sciences understanding of the universe A new study claims one type of neutrino may comprise exactly equal amounts of two other types of neutrinos. The findings by scientists working with the IceCube Neutrino Observatory at the South Pole could help physicists better understand the universe. *Earth probably began with a solid shell A new study claims Earth probably began as a single solid shell which broke apart later to form the planet’s cha
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21: New clues about the very first stars
17/03/2017 Duración: 23minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *New clues about the very first stars Astronomers studying a distant galaxy have discovered some new evidence about the very first stars to shine in the universe. The team made the remarkable find while observing a young remote galaxy located some 13.3 billion light years away. *NASA’s mission to Jupiter’s ice moon Europa NASA has formally named its next mission to the Jovian ice moon Europa “The Europa Clipper”. The mission which is slated for launch around 2022 will explore the frozen world which possesses all three of the ingredients necessary for life: liquid water, chemical nutrients, and energy sources sufficient to enable biology. *A perfect storm of fire and ice may have led to snowball Earth Scientists have a new hypothesis to explain what caused the largest glaciation event in Earth's history, known as 'snowball Earth' – a runaway glaciation that covered the planet in ice from pole-to-pole. *The S
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20: New date for first life on Earth
16/03/2017 Duración: 25min'ns2pahz4' ns2pahz4 NB: This is the updated version of Episode 20 with the correct audio! Sorry about that... Stream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *New date for first life on Earth New evidence shows life began on Earth at least 3.77 billion years ago – that’s some 300 million years earlier than previously thought -- and at a time when Mars was also a warm wet world. Scientists discovered the tiny filaments and tubes formed by bacteria on the shores of Canada’s Hudson Bay.. *Star clusters discovery could upset the astronomical applecart Astronomers have discovered multiple generations of stars in a single star cluster. The discovery adds to a growing body of evidence that not all the stars in a single cluster were formed at the same time. *New joint mission to Venus Scientists from NASA are meeting with their Russian counterparts to develop plans for a joint mission the Venus. The IKI Venera-D mission -- slated for launch around 2025 on either
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19: Black Hole Dark Matter hypothesis disproved
10/03/2017 Duración: 24minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *The Black Hole Dark Matter hypothesis disproved A new study has provided strong evidence disproving the idea that unknown populations of ancient black holes could explain the effects currently attributed to dark matter. The findings imply that the detection of gravitational waves generated by colliding intermediate mass black holes can’t be used to imply the existence of huge populations of primordial black holes early in the history of the universe. *New evidence of a water rich history on Mars New research on Martian meteorites indicates that the red planet may have been a far wetter place than previously thought. The findings provide the first clear evidence that a mineral commonly found in Martian meteorites which was considered proof of an ancient dry environment on Mars -- may have originally been a hydrogen-containing mineral -- that could indicate a far more water-rich history for the Red Planet. *
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18: Searching for nearby giant planets
08/03/2017 Duración: 26minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *Searching for nearby giant planets Astronomers believe there could be a large population of -- as yet undetected -- giant planets and brown dwarfs with in our stellar neighbourhood. The findings are based on a study of an association of stars called TW Hya located about 100 light years away – relatively close in astronomical terms. *Supernova 1987A thirty years on Three decades ago, astronomers spotted one of the brightest exploding stars in more than 400 years. The massive stellar blast called Supernova 1987A blazed with the power of 100 million Suns for several months following its discovery on February 23rd 1987. *Rocket Science in the Arctic to better understand the aurora borealis NASA has launched five rockets in the high arctic to provide a better understanding of auroral activity. The program from January through till March involved three separate experiments launching from the Poker Flat Research
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17: Hungry Black Holes
03/03/2017 Duración: 23minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *Stars eaten by black holes a hundred times more often than thought Stars are being ripped apart and consumed by black holes about a hundred times more often than astronomers previously thought. The findings are based on a new survey of galaxy mergers – the process by which galaxies collide to form new larger galaxies. *Stellar bridge discovered connecting two galaxies A bridge of stars has been discovered connecting the Large and Small Magellanic Clouds -- two of the nearest neighboring galaxies to our own galaxy the Milky Way. The findings show a 43 thousand light year long stellar bridge connecting the two dwarf galaxies. *March Sky watch We check out the night skies of March and the importance of the Vernal Equinox. If you're enjoying SpaceTime, please help out by sharing and telling your friends. The best recommendation I can get is one from you. Thank you... #astronomy #space #science #technology #new
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16: TRAPPIST-1
01/03/2017 Duración: 33minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *Record breaking Earth-sized habitable-zone planetary system discovered Astronomers have for the first time ever found seven Earth like planets orbiting a single star. The discovery includes three planets in the host star’s habitable zone. *New clues in the hunt for planet 9 Astronomers have some new clues further supporting the hypothesis of a mysterious yet to be discovered ninth planet at the edge of our solar system. The researchers studying a pair of small bodies in the outer solar system have found that they may once have been a binary asteroid which separated as a result of a past interaction with the hypothetical Planet Nine. *Space tourists heading for the Moon SpaceX has announced plans to send two space tourists on a trip to the Moon. The flight – slated for late next year – will use the company’s new Dragon V2 capsule and Falcon Heavy launch vehicle. If you're enjoying SpaceTime, please help out
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15: Organic material discovered on Ceres
24/02/2017 Duración: 27minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *Organic material discovered on Ceres Evidence of organic material has been found on the dwarf planet Ceres. A report in the journal science claims the detection by NASA’s Dawn spacecraft adds to a growing list of solar system bodies found to contain organic materials which are key building blocks for life as we know it. *NASA's Europa Flyby Mission Moves into Design Phase A mission to examine the habitability of Jupiter's ocean-bearing moon Europa is taking one step closer to the launch pad, with the completion of a major NASA review. The Europa mission spacecraft would launch in the 2020's, arriving in the Jupiter system several years later. *How to stop when we reach Alpha Centauri Scientists have worked out a way to slowdown and stop once spacecraft finally reach our nearest interstellar neighbour Alpha Centauri. In April last year, Russian physicist and billionaire Yuri Milner together with British sci
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14: Mysterious white dwarf pulsar discovered
22/02/2017 Duración: 31minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *Mysterious white dwarf pulsar discovered Astronomers have discovered their first white dwarf pulsar. These are a stellar class that has been speculated about for over half a century – but never previously detected. *Space Junk mission failure An experimental Japanese mission to help clear space junk from low Earth orbit has failed. The plan involved using a 700-metre long electrodynamic tether to slow bits of space junk down causing the refuse to lose altitude and begin the process of re-entering Earth’s atmosphere. *Juno’s planned orbital changes dropped NASA Juno mission will now remain in its existing 53 Earth day orbit around the planet Jupiter -- rather that moving to a lower 14 Earth day orbit as planned. The decision follows problems with two helium check valves on the spacecraft main propulsion system. *Falcon 9 launch from historic pad A SpaceX Falcon 9 rocket has made history blasting off from La
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13: New dates for the early solar system - SpaceTime with Stuart Gary S20E13
17/02/2017 Duración: 25minStream Episodes on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly) *New dates for the early solar system A new study has confirmed that the solar system and its major planets were formed within the first four million years of the Sun’s birth. The findings, reported in the journal Science place the most precise date yet on the solar system’s early evolution and the length of time the system’s protoplanetary disk was present. *Black hole sets a feeding record A giant black hole has ripped apart a star and gorged on its remains for over decade -- more than 10 times longer than any previously observed episode of stellar death by black hole. The process known as a tidal disruption event occurs when the tidal forces due to the intense gravity from a black hole destroys an object -- such as a star -- that wanders too close. *India’s new world record launching 104 satellites at once. India’s first launch for 2017 has set a new world record carrying 104 small satellites in to orbit