SpaceTime with Stuart Gary SpaceTime

Join us for SpaceTime Series 27 Episode 77, where we explore the latest cosmic discoveries and advancements in space exploration.
First, astronomers have discovered the earliest known pair of quasars in the process of merging. Reported in the Astrophysical Journal Letters, this discovery represents the earliest known merger of supermassive black holes, occurring just 900 million years after the Big Bang. This period, known as the cosmic dawn, is crucial for understanding the formation of the first stars and galaxies and the epoch of reionization.
Next, NASA's Mars Perseverance rover has discovered oddly textured, popcorn-like rocks in a formation known as Bright Angel. These rocks suggest the presence of groundwater in Mars' past, and mission managers plan to conduct detailed exploration to uncover their origins.
Finally, new insights into the Milky Way's supermassive black hole, Sagittarius A*, have been presented at the 244th meeting of the American Astronomical Society. Using decades of x-ray data, astronomers have uncovered previously undetected flares and echoes, providing valuable information about the black hole's environment and past activity.
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Join us for SpaceTime Series 27 Episode 78, where we delve into the latest discoveries and missions in the vast expanse of space.
First, the European Space Agency's Euclid Space Telescope has discovered seven more rogue planets in the darkness of interstellar space. These gas giants, each with at least four times the mass of Jupiter, were detected in the direction of the Orion Nebula. The study also confirmed the existence of dozens of other previously detected rogue planets, including four binaries. These lonely worlds, flung out of their original star systems, wander unbound through space, presenting a fascinating prospect for future research.
Next, mission managers have announced that the European Space Agency's upcoming Hera mission will utilize a Mars flyby next March to study the Martian moon Deimos. This maneuver will provide the necessary velocity to reach the Didymos binary asteroid system. Hera, together with cubesats Juventus and Milani, will closely examine the impact of NASA's DART spacecraft on Dimorphos, gathering essential data on its composition and structure.
Finally, NASA's Voyager 1 is back, returning science data from all four of its instruments after overcoming a major technical failure. The spacecraft, the most distant man-made object in existence, had lost normal communications but is now once again providing valuable insights into interstellar space.
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Join us for SpaceTime Series 27 Episode 76, where we delve into the latest groundbreaking discoveries in planetary science and astronomy.
First, scientists have uncovered evidence that fresh water existed on Earth about 4 billion years ago, pushing back the timeframe for the potential emergence of life by 500 million years. This discovery, based on zircon crystal analysis from the Jack Hills formation in Western Australia, challenges the long-held belief that Earth was entirely covered by oceans at that time. The study's findings suggest that fresh water and land masses existed much earlier, setting the stage for life to flourish.
Next, new research indicates that the rotation of Earth's inner core has slowed down compared to the planet's surface. This discovery, reported in the journal Nature, shows that the inner core began to decelerate around 2010, moving slower than the Earth's mantle and crust for the first time in decades. The implications of this change are still being explored, but it may ultimately affect the length of the day.
Finally, a new study suggests that Earth's encounter with dense interstellar clouds 2 million years ago may have significantly altered the planet's climate. The research, published in Nature Astronomy, posits that these clouds could have compressed the heliosphere, exposing Earth to increased levels of cosmic rays and altering its climatic conditions.
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The Space, Astronomy and Science Podcast.
SpaceTime Series 27 Episode 76
*Earliest evidence of freshwater on Earth
Scientists have discovered evidence that the earliest fresh water existed on planet Earth about four billion years ago, that’s some five hundred million years earlier than previously thought.
*The rotation of planet Earth’s inner core has slowed
A new study suggests that the rotation of planet Earth’s inner core is slowing down compared to the planet’s surface.
*How Earth’s encounter with interstellar clouds affected the climate
A new study has found that the solar system may have passed through dense interstellar clouds 2 million years ago, altering Earth’s climate.
*The Science Report
China's nuclear weapons stockpile is growing faster than any other nation.
Palaeontologists identify a new species of sauropodomorph dinosaur in Zimbabwe.
Paranoid people think that others have similar beliefs to them.
Skeptics guide to why are UFO videos always blurry

SpaceTime Series 27 Episode 77
*Discovery of the first ever pair of merging black holes at the cosmic dawn
Astronomers have discovered a pair of quasars merging near the dawn of time. The discovery represents the earliest known merger of a pair of supermassive black holes occurring just 900 million years after the Big Bang.
*Perseverance finds weird popcorn-like rocks on Mars
After months of driving, NASA’s Mars Perseverance rover has finally arrived at Bright Angel -- discovering oddly textured rock unlike any seen before.
*Flares and echoes from the Milky Way’s monster black hole
Astronomers have uncovered new information about the Milky Way galaxy’s central supermassive black hole, Sagittarius A*.
*The Science Report
One in five people infected with COVID-19 take more than three months to recover.
Older patients under the care of a female doctor likely to live longer.
How do you stop Artificial Intelligence from telling lies
Alex on Tech Microsoft’s new co-pilot plus PCs are now2 on sale.

SpaceTime Series 27 Episode 78
*More rogue planets discovered in deep space
The European Space Agency’s Euclid space telescope has discovered seven more free floating rogue planets forever alone in the darkness of interstellar space.
*The Martian Moon Demos to be targeted as part of the Hera mission
Mission managers have announced that the European Space Agency’s upcoming Hera mission will utilize a Mars flyby in March next year to study the Martian moon Demos and gain the extra velocity needed to reach the Didymos binary asteroid system early.
*Voyager 1 returning science data from all four instruments
NASA's Voyager 1 spacecraft is back conducting normal science operations for the first time following a major technical failure.
*The Science Report
Study shows too many refined carbs and starchy veggies could see you pile on the pounds in middle age.
Warnings that even resting in the heat can stress your heart.
A new study confirms that self-driving cars are better drivers than humans.
Skeptics guide to calls for crowd sourcing research on UFO sightings


https://spacetimewithstuartgary.com https://www.bitesz.com/show/spacetime/

This week’s guests include:
Hamed Gamal-el-dien from Curtin University
Perseverance Project scientist Ken Farley Nasa JPL
Perseverance Deputy Project scientist Katy Stack Morgan NASA JPL
Perseverance Deputy Project Manager Matt Wallace NASA JPL
Perseverance Mobility Team Member Farah Alibay NASA JPL
Perseverance Chief Engineer Adam Steltzner NASA JPL
Hera Project Manager Ian Carnelli from ESA

And our regular guests:
Alex Zaharov-Reutt from techadvice.life
Tim Mendham from Australian Skeptics

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Listen to SpaceTime on your favorite podcast app with our universal listen link: https://spacetimewithstuartgary.com/listen and access show links via ht

Join us for SpaceTime Series 27 Episode 75, where we explore the latest cosmic events and scientific advancements shaping our understanding of the universe.
First, we delve into how Mars lit up during last month's spectacular solar storm. These solar events provided astronomers with unprecedented data, revealing the impact of solar flares and coronal mass ejections on the Red Planet. We discuss the implications for future human missions to Mars and the potential radiation exposure astronauts might face.
Next, unexpected differences have been discovered in the thickness of the Milky Way galaxy's disk. New observations reveal that the inner part of the disk is only half as thick as the outer part, challenging our understanding of the galaxy's structure and evolution.
Finally, scientists have developed a new atlas dealing with space health, covering the broad-ranging molecular changes and DNA damage experienced during spaceflight. This research is crucial for preparing for long-term lunar and Martian missions.
Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
Sponsor Offer
This episode is proudly supported by NordPass. Secure your digital journey across the cosmos with a password manager you can trust. Find your stellar security solution at https://www.bitesz.com/nordpass.
Listen to SpaceTime on your favourite podcast app including Apple Podcasts, Spotify, YouTube Music, or wherever you get your podcasts.
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Join us for SpaceTime Series 27 Episode 74, where we explore the latest cosmic discoveries and advancements in space exploration.
First, astronomers have discovered water frost on the solar system's tallest volcanoes, including Olympus Mons on Mars. This groundbreaking find challenges existing ideas about the red planet's climate dynamics and suggests the presence of water frost near the Martian equator for the first time. The study, led by Domus Valentinus, reveals that this frost is incredibly thin, likely only 100th of a millimeter thick, and consists of at least 150,000 tons of water that cycles between the surface and the atmosphere during the cold seasons.
Next, we delve into the European Space Agency's Proba-3 mission, which aims to study the sun's outer atmosphere or corona. This innovative mission involves two spacecraft flying in formation to create an artificial solar eclipse, allowing for sustained study of the sun's faint coronal atmosphere. The mission will launch aboard an Indian PSLV rocket from the Satish Dhawan Space Centre and will demonstrate the precise positioning of two orbiting platforms.
Finally, Virgin Galactic has successfully completed its final space tourism flight before a two-year pause to upgrade its fleet. The Galactic 7 mission carried two pilots and two passengers to the edge of space, marking the end of operations for VSS Unity. The company will now focus on developing its next-generation Delta-class space planes, which are expected to enter commercial operations in 2026.
Follow our cosmic conversations on X @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the mysteries of the universe, one episode at a time.
Sponsor Offer
This episode is proudly supported by NordPass. Secure your digital journey across the cosmos with a password manager you can trust. Find your stellar security solution at https://www.bitesz.com/nordpass.
Listen to SpaceTime on your favourite podcast app including Apple Podcasts, Spotify, YouTube Music, or wherever you get your podcasts.
Support SpaceTime
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