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SpaceTime Series 27 Episode 48: Unveiling the Fate of the Universe with Dark Energy

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 catastrophic big rip? With precision better than 1%, DESI's data is painting a complex picture of our cosmic destiny.

Then, join us in celebrating a celestial milestone as the Solar Observatory spacecraft SOHO captures its 5000th comet. SOHO's unexpected role as a prolific comet hunter has deepened our understanding of these enigmatic sun-grazers, offering insights into the sun's atmosphere and the large-scale structure of comets.

Plus, we follow the Soyuz MS-24 capsule's return to Earth, bringing home a NASA astronaut and the first Belarusian cosmonaut after a landmark mission. With blue skies over Kazakhstan, the Soyuz's journey from the International Space Station to the steppe marks a successful conclusion to an expedition of cosmic proportions.

And don't miss our Science Report, where we delve into the impact of climate change on wine regions, the link between mood disorders and driving in young people, and the debate over a meteor impact ejecta potentially being alien technology.

For more SpaceTime and to support the show, visit our website at https://spacetimewithstuartgary.com. Tune in to SpaceTime on your favorite podcast app with our universal listen link: https://spacetimewithstuartgary.com/listen, and access show links via https://linktr.ee/biteszHQ. Support the show: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.

This episode of SpaceTime is brought to you by NordPass. Secure your digital life and keep the cosmic exploration going with the password manager you can trust. Visit www.bitesz.com/nordpass for a very special offer.

Episode Chapters

(00:00) This is spacetime series 27, episode 48, for broadcast on 19 April 2024
(00:45) Exactly how fast dark energy acceleration gets will determine ultimate fate of the universe
(07:53) Citizen scientist in Czech Republic spots sun grazing comet in Soho spacecraft
(14:11) Russia's Soyuz MS 24 spacecraft has returned safely to Earth
(21:44) Up to 70% of world's wine growing regions at risk from climate change
(24:10) Avi Loeb says asteroid that crashed into Australian ocean could be extraterrestrial

SpaceTime Series 27 Episode 47: The Stellar Nature of Brown Dwarfs and an Imminent Nova

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 future, where the clock is ticking down to an explosive cosmic event. Astronomers eagerly anticipate a nova eruption within a binary star system, set to dazzle the skies sometime before year's end. This stellar spectacle, a cyclical detonation on the surface of a white dwarf, promises to be a beacon in the night, echoing observations that date back over a century.

We then voyage to the extreme starburst galaxy M82, a crucible of creation churning out new stars at a rate tenfold that of our own Milky Way. With the James Webb Space Telescope piercing through the cosmic dust, we get a front-row seat to the galactic winds and star-forming frenzy defining this compact powerhouse of a galaxy.

And in the Science Report, we delve into the role of homosexual behavior in mammalian social bonding, the alarming rise in simultaneous heatwaves and sea level extremes on global coastlines, the potential psychological effects of teenage screen time, and the latest in home entertainment and security tech that's shaping our digital lives.

For the full cosmic journey, visit our website at https://spacetimewithstuartgary.com and support the show at https://www.spreaker.com/show/spacetime. Discover the universe's wonders with us on SpaceTime.

This week's episode is brought to you by NordPass. Navigate the digital universe with confidence using a password manager you can trust. Secure your cosmic exploration at www.bitesz.com/nordpass.

Listen to SpaceTime on your favorite podcast app and follow us on Twitter @stuartgary, Instagram, YouTube, and Facebook.

Episode Chapters

(00:00) New research shows brown dwarves are far more star like than previously thought
(00:46) New study suggests brown dwarves are created through the same processes as stars
(05:37) Astronomers expect distant star to explode sometime between now and September
(09:19) Messier 82 is manufacturing new stars ten times faster than the Milky Way
(13:07) James Webb uses infrared light to study star formation in Messier 82
(14:48) A new study claims homosexual behaviour may have evolved repeatedly in mammals
(17:08) Samsung has launched its new 2024 range of tvs including a 98 inch model
(20:40) Swann has a new home security system that's loaded with AI

This episode is brought to you with the support of NordPass....your lifesaving password manager. To get our special deal, visit www.bitesz.com/nordpass

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 evolution.
Next, we explore the cannibalistic tendencies of stars as a new study reveals that stars often end up devouring their own planets. This celestial feast, found in roughly 8% of binary star systems examined, raises questions about the stability of planetary orbits and could reshape our knowledge of cosmic dynamics.
And as North America was plunged into darkness by a total solar eclipse, scientists seized the opportunity to conduct groundbreaking research. From rockets piercing the upper atmosphere to jets chasing the eclipse at dizzying altitudes, we look at the scientific endeavors that took advantage of this spectacular celestial event.
Plus, in the Science Report, we discuss the implications of "forever chemicals" in our water resources, the heart failure benefits of a diabetes drug, the discovery of Australia's oldest pottery, and the controversy surrounding a prestigious clinic's endorsement of Reiki.
For more SpaceTime and to support the show, visit our website at https://spacetimewithstuartgary.com, where you can access our universal listen link, find show notes, and learn how to become a patron. Listen to SpaceTime on your favorite podcast app with our universal listen link: https://spacetimewithstuartgary.com/listen and access show links via https://linktr.ee/biteszHQ. Support the show: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.
This episode of SpaceTime is brought to you by NordPass. Secure your digital life and keep the cosmic exploration going with the password manager you can trust. Visit www.bitesz.com/nordpass for a special offer.
https://spacetimewithstuartgary.com  https://www.bitesz.com/show/spacetime/ This week’s guests include: Fan Liu from Monash University Sungrazer project principal investigator Karl Battams from the U.S. Naval Research Lab Washington, D.C..   And our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics
Episode Chapters
(00:00) A possible neutron star black hole merger detected in gravitational waves
(00:47) LIGO has detected what might be either the merger of two neutron stars
(06:22) New study confirms that some stars may have swallowed planets or planetary material
(13:58) NASA launched a fleet of rockets and jets to monitor last weeks solar eclipse
(16:54) A new study warns that we're likely underestimating future impact of forever chemicals
(19:19) Mayo Clinic slammed for allowing staff nurse to promote rank pseudoscience
(22:50) Spacetime is available every Monday, Wednesday and Friday through various podcasting services

The Space, Astronomy and Science Podcast.
SpaceTime Series 27 Episode 46
*A possible neutron star black hole merger detected in Gravitational Waves
The LIGO-Virgo-KAGRA gravitational Wave collaboration has detected what might be either the merger of two neutron stars or even more excitingly that of a neutron star with a stellar mass black hole.
*New study shows that stars often eat their own planets
A new study has confirmed that at least one in every dozen stars have torn apart and consumed one of its planets.
*The science from America’s solar eclipse
As much of the world marvelled at last week’s total eclipse of the Sun across North America scientists were busy carrying out observations.
*The Science Report
Underestimating the future impact of so called forever chemical in the environment.
The diabetes drug Semaglutide can also help reduce heart failure.
Anthropologists discover Australia's oldest pottery, dating back to between 2000 and 3000 years ago.
Skeptics guide to crackpots in high places

SpaceTime Series 27 Episode 47
*Brown dwarfs are more star like than thought
A new study suggests that brown dwarfs are created through the same processes as stars and not like planets.
*Astronomers expecting a nova event before the end of the year
Astronomers are expecting a distant star to explode in a spectacular event called a nova sometime between now and September.
*The extreme starburst in galaxy M82
Astronomers have discovered that the starburst galaxy Messier 82 is manufacturing new stars some ten times faster than the Milky Way.
*The Science Report
Study says Homosexual behaviour may have evolved because it plays a role in social bonding.
40% of the world's coastlines saw significant increase in heatwaves and extreme sea level rise.
TV, computer, and video game use by teens linked to psychotic experiences.
Alex on Tech Samsung’s new mega TV with a mega price to match.



SpaceTime Series 27 Episode 48
*The most detailed view ever of the expanding universe
Astronomers have released the first-year data from DESI -- the Dark Energy Spectroscopic Instrument Survey – providing the most detailed view ever of the expanding universe.
*Solar Observatory discovers its 5,000th comet
On March 25, 2024, a citizen scientist in the Czech Republic spotted a comet in an image from the SOHO Solar and Heliospheric Observatory spacecraft, which has now been confirmed as the 5000th Sun grazing comet discovery.
*Soyuz returns to Russia with love
Russia’s Soyuz MS 24 capsule has returned safely to Earth landing under blued skies on the Kazakhstan steps.
*The Science Report
Up to 70% of the world's wine growing regions threatened by climate change
Young people with mood disorders less likely to get their driver's license and are more likely to crash.
Study warns drinking 100% fruit juice is linked to weight gain in children.
Skeptics guide to Avi Loeb’s alien technology claim

https://spacetimewithstuartgary.com https://bitesz.com

This week’s guests include:
Fan Liu from Monash University
Sungrazer project principal investigator Karl Battams from the U.S. Naval Research Lab Washington, D.C..
And our regular guests:
Alex Zaharov-Reutt from techadvice.life
Tim Mendham from Australian Skeptics

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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 Station was originally slated for this month. *Space junk slams into a Florida home NASA says it’s analyzing an object that crashed into a Florida man's home last week which is suspected of being piece of debris jettisoned from the International Space Station. *The Science Report New research shows that the warming climate will turn Australia’s soil into a net emitter of carbon dioxide. A new study claims women with a low resting heart rate had a slightly higher chance of a criminal lifestyle. Identifying criminals by airborne forensic DNA evidence. Skeptics guide to African witchcraft trials   https://spacetimewithstuartgary.com  https://bitesz.com   This week’s guests include our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics

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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 decades of work, scientists and engineers at the US Department of Energy's Stanford Linear Accelerator Centre’s National Accelerator Laboratory have finally completed the Legacy Survey of Space and Time Camera -- The largest digital camera ever built for astronomy. *The Science Report A new study shows that high blood pressure is the leading risk factor for death. The Persian Plateau identified as pivotal for Homo sapiens migration out of Africa. Volcanoes could hold the clues to how the first building blocks of life were formed. Alex on Tech more controversy for Google https://spacetimewithstuartgary.com  https://bitesz.com Listen to SpaceTime on your favorite podcast app with our universal listen link:  https://spacetimewithstuartgary.com/listen and access show links via https://linktr.ee/biteszHQ

This episode is brought to you by NordPass...your password manager that will relieve password stress in your life. Get organised for not very much money...visit www.bitesz.com/nordpass and check out our very special deal.

Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.