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Space Nuts Q&A: Dark Matter, Big Bang, and Sci-Fi TechJoin Andrew Dunkley and Professor Fred Watson in this engaging Q&A edition of Space Nuts, where they address intriguing questions from listeners Michael, Rennie, Joseph, and Ralph. From the mysterious nature of dark matter to the energetic comparison between the Big Bang and supernovas, this episode is packed with cosmic insights.Episode Highlights:- Dark Matter: Michael from Illinois asks if dark matter could be the fabric of space-time. Fred explains why dark matter warps space rather than being the fabric itself and delves into the ongoing search for its true nature.
- Sci-Fi Tech: Michael also inquires about technological advances from science fiction that could become reality. Fred and Andrew discuss space elevators, warp speed travel, and the manipulation of gravity.
- Big Bang vs. Supernovas: Rennie Traub wants to know how the energy of the Big Bang compares to the most powerful supernovas or gamma-ray bursts. Fred highlights the vast difference in energy levels, with the Big Bang being incomparably more powerful.
- Primordial Black Holes: Joseph from Melbourne asks if primordial black holes could explain recent James Webb images of enormous distant black holes and if they could account for dark matter. Fred explores the possibilities and recent research on this topic.
- The Three-Body Problem: Ralph seeks advice on navigating the complex book series "The Three-Body Problem" and shares updates on its adaptation into a TV series.
Don't forget to send us your questions via our website...spacenuts.io.Support Space Nuts and join us on this interstellar journey by visiting our website support page. Your contributions help us continue our mission to explore the wonders of the universe. Clear skies and boundless exploration await on Space Nuts, where we make the cosmos your backyard.
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Weird Mars Rock, Anti-Ageing in Space, and Asteroid CollisionsJoin Andrew Dunkley and Professor Fred Watson in this fascinating episode of Space Nuts, where they delve into the latest discoveries and phenomena in space science and astronomy.Episode Highlights:- Weird Mars Rock: The Perseverance rover has discovered a peculiar rock on Mars that stands out like a sore thumb. Identified as an anorthosite, this unusual rock could offer insights into Mars' crust and its geological history.
- Anti-Ageing Effects of Space Travel: A civilian space mission has revealed surprising health benefits of space travel, including the lengthening of telomeres, which are associated with anti-ageing. Fred and Andrew discuss the implications and potential future studies.
- James Webb Space Telescope: The James Webb Space Telescope has observed an asteroid collision in the Beta Pictoris system. This discovery provides a glimpse into the chaotic early stages of solar system formation.
Don't forget to send us your questions via our website...spacenuts.io.
Support Space Nuts and join us on this interstellar journey by visiting our website support page. Your contributions help us continue our mission to explore the wonders of the universe.Clear skies and boundless exploration await on Space Nuts, where we make the cosmos your backyard.
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Space Nuts Episode: Radio Interference, Multiverse Viability, and Martian Water Behaviour
Join Andrew Dunkley and Professor Fred Watson in this intriguing Q&A edition of Space Nuts, where they tackle a variety of thought-provoking questions from listeners. From the challenges of radio astronomy in urban areas to the fascinating possibilities of multiverse sizes, this episode is packed with cosmic insights.
Episode Highlights:
Space Nuts Episode: NASA's New AR Toy, Star Trek Illusion, and Euclid's Orphan Stars
Join Andrew Dunkley and Professor Fred Watson in this captivating episode of Space Nuts as they explore the latest in space science and astronomy. From NASA's innovative social media tools to the intriguing discoveries by the Euclid space telescope, there's something for every space enthusiast.
Episode Highlights:
- NASA's Augmented Reality for Instagram: Learn about NASA's new AR tool for Instagram users, designed to bring the wonders of the universe to your screen in a whole new dimension. Fred and Andrew discuss the impact and potential of this exciting technology.
- Star Trek Illusion: Discover the disappointing truth behind the star that was supposed to host the planet Vulcan from Star Trek. Fred explains the recent findings that debunk the existence of this fictional planet.
- Euclid Space Telescope's Orphan Stars: The first images from the Euclid space telescope have revealed a surprising number of orphan stars. Fred delves into the significance of this discovery and what it means for our understanding of the universe.
- Rogue Planets in the Milky Way: Euclid's mission also uncovers rogue planets within the Orion Nebula. Andrew and Fred discuss the implications of these free-floating planets and the ongoing search for Planet Nine.
Support Space Nuts and join us on this interstellar journey by visiting our website support page. Your contributions help us continue our mission to explore the wonders of the universe. Clear skies and boundless exploration await on Space Nuts, where we make the cosmos your backyard.
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Space Nuts Episode: Space Junk, Gravity Waves, and Solar Eclipses
Join Andrew Dunkley and Professor Fred Watson in this engaging Q&A edition of Space Nuts, where they tackle a variety of intriguing questions from listeners around the globe.
Episode Highlights:
- **Space Junk**: Pete from Mamong Point raises concerns about the long-term effects of burning up space debris in Earth's atmosphere. Fred discusses the implications and complexities of space junk management, including the concept of "graveyard orbits" and the infamous Point Nemo.
- **Gravity Waves**: Philip from Australia, originally from Glasgow, delves into the nature of gravity waves and their composition. Fred explains the concept of spacetime distortion and how gravitational waves propagate through the fabric of the universe.
- **Matter and Energy**: Giego from Slovakia questions whether vacuum energy could be converted into matter, creating new matter that wasn't present since the Big Bang. Fred provides a detailed explanation on the conversion of energy to matter and the role of dark energy.
- **Solar Eclipses**: Beverly from Texas shares her excitement about witnessing her first total solar eclipse and asks Fred and Andrew about their experiences. Fred recounts his memorable eclipse viewings and the emotional impact of this celestial phenomenon.
00:00:00 This is a Q and a edition of Space Nuts
00:01:09 Fred and Andrew ask two questions about gravity on today's show
00:08:12 In recent weeks, there's been multiple mentions of space debris burning up
00:14:27 NordVPN details: Virtual private network helps protect online activities from hackers and scammers
00:18:05 Could vacuum energy be converted into matter with expanding universe
00:21:27 Beverly from Texas hopes to see a total solar eclipse soon
00:22:16 Fred, how many total eclipses have you seen in person
00:29:54 Episode wrap
Support Space Nuts and join us on this interstellar journey by visiting our website support page. Your contributions help us continue our mission to explore the wonders of the universe. Clear skies and boundless exploration await on Space Nuts, where we make the cosmos your backyard.
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Space Nuts Episode: Earth-Like Exoplanets, Alien Megastructures, and Space NoiseJoin Andrew Dunkley and Professor Fred Watson in this thrilling episode of Space Nuts as they delve into the latest discoveries and challenges in space science. From the discovery of an Earth-like exoplanet to the search for alien megastructures, this episode promises to be a cosmic journey you won't want to miss.
Episode Highlights:- Earth-Like Exoplanet Discovery: An Australian-Scottish collaboration has discovered an exoplanet that closely resembles Earth in size and is located in the habitable zone of its star. Learn about its potential for hosting liquid water and the exciting future possibilities for imaging this distant world.
- Space Noise Threat to SKA: The Square Kilometre Array (SKA) radio telescope faces challenges from satellite noise. Fred discusses the efforts to mitigate these issues and the ongoing collaboration between astronomers and the satellite industry to protect this significant investment in radio astronomy.
- Search for Alien Megastructures: Could Dyson spheres exist? Fred and Andrew explore the latest research and debate the feasibility of such megastructures, considering the immense material and energy requirements involved.
Support Space Nuts and join us on this interstellar journey by visiting our website support page. Your contributions help us continue our mission to explore the wonders of the universe. Clear skies and boundless exploration await on Space Nuts, where we make the cosmos your backyard.
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Join Andrew Dunkley and Professor Fred Watson for another enlightening episode of Space Nuts Q&A. This week, we tackle a variety of listener questions that delve into the fascinating intricacies of space science and astronomy.
First, we revisit a question from Alan about the detectability of light at one candle power of an LED in space. Fred breaks down the calculations and assumptions, providing insights into how far such a light source would be visible, even with the Hubble Telescope.
Next, Nate from Queensland asks about bolometric luminosity and its implications for predicting changes in stars, such as supernovae. Fred explains the concept of bolometric measurements, the use of bolometers, and whether there's a standard way to predict changes in a star's luminosity.
David from Melbourne brings up Hawking radiation and its potential connection to dark matter and dark energy. Fred clarifies the nature of Hawking radiation and discusses recent research linking black holes to dark energy, albeit without involving Hawking radiation.
Martin from Maryland poses a question about the hazards of near-light-speed travel for spacecraft and their biospheres. Fred explores the potential dangers, including nuclear interactions and radiation, that could arise from such high-speed travel.
Finally, Ryan from Delaware inquires about the feasibility of refuelling or repairing the James Webb Space Telescope. Fred explains the challenges due to its location at the L2 point and the economic considerations that make such missions unlikely.
Tune in to this episode of Space Nuts for these intriguing discussions and more. Your questions drive the conversation, so keep them coming!
00:00:00 Professor Fred Watson answers questions on this episode of Space Nuts
00:01:54 How far away could you see one candle power led with the Hubble telescope
00:06:00 Nate from Queensland asks some questions about volumetric luminosity
00:07:20 Bolometric brightness is the brightness of something measured over its whole spectrum
00:13:50 Is hawking radiation anything to do with dark matter or dark energy
00:15:54 What are the major hazards to spacecraft as they approach relativistic speeds
00:21:10 Ryan from Delaware has a question about the James Webb space telescope
00:27:58 Andrew: Thanks to everybody who contributed this week to Space Nuts q and a
00:29:15 This podcast is available on iTunes, Spotify and iHeartRadio
Support Space Nuts and join us on this interstellar journey by visiting our website support page. Your contributions help us continue our mission to explore the wonders of the universe. Clear skies and boundless exploration await on Space Nuts, where we make the cosmos your backyard.
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Join Andrew Dunkley and Professor Fred Watson in this captivating episode of Space Nuts as they explore some of the most intriguing phenomena in space science.First up, zebrafish are making waves in orbit! These tiny aquanauts are part of a Chinese space mission on the Tiangong space station. Discover why zebrafish are ideal candidates for space research and what their genetic similarities to humans could reveal about the effects of zero gravity on biological organisms.Next, delve into the mystery of the cold spot in space, a peculiar anomaly within the cosmic microwave background radiation. Fred explains the significance of this cold spot, its potential causes, and why it challenges our understanding of the universe's isotropy. Could a giant cosmic void be the culprit, or is there another explanation lurking in the cosmos?Additionally, the duo discusses the exciting progress of the Vera C. Rubin Observatory, featuring the world's largest digital camera, which promises to revolutionise our view of the night sky. Learn about its remarkable capabilities and the potential discoveries it could unveil, including the elusive Planet Nine.
00:00:00 This is space nuts, where we talk astronomy and space science
00:01:54 The camera for the Vera C. Rubin telescope telescope has been delivered
00:07:19 Zebrafish on Chinese space station for research into effects of space on fish
00:12:46 Andrew Dunkley: Scientists trying to make aquariums in space self-sustainable
00:15:22 Fred says there's a cold spot in space caused by cosmic microwave background radiation
00:24:00 Cold spots in the cosmic microwave background radiation are not unusual
00:29:27 There's so much going on in the world of space
Support Space Nuts and join us on this interstellar journey by visiting our website support page. Your contributions help us continue our mission to explore the wonders of the universe. Clear skies and boundless exploration await on Space Nuts, where we make the cosmos your backyard.
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Join Andrew Dunkley and Professor Fred Watson for another riveting Q&A edition of Space Nuts. This episode dives into some fascinating listener questions that challenge our understanding of space and science.First up, Mikey from Illinois poses a thought-provoking question: Can we drink water from the moon or Mars? Andrew and Fred explore the potential risks and benefits of consuming extraterrestrial water, including the presence of unknown substances and the impact of heavy water isotopes.Next, Sean from Nottingham inquires about the Nemesis theory, asking whether there could be a small sun or neutron star in our solar system, possibly linked to the elusive Planet Nine. Fred delves into the history and current standing of this hypothesis, examining its implications for mass extinctions and the structure of our solar system.Finally, Rusty from Donnybrook raises a question about the Hubble constant and whether the interstellar medium might be affecting the measurements of standard candles, leading to discrepancies in the universe's expansion rate. Fred explains the intricacies of this cosmic conundrum and why astronomers have considered and largely ruled out this possibility.
From the safety of lunar water to the mysteries of distant stars and the expanding universe, this episode of Space Nuts promises to ignite your curiosity and expand your cosmic knowledge. Tune in and join the conversation!
00:00:00 Andrew Dunkley answers audience questions on Space Nuts Q and a edition
00:01:29 When we get to moon and Mars, should we drink contaminated water
00:09:32 Fred asks whether small sun in solar system could be planet nine
00:16:32 Recent scientific analysis no longer supports the nemesis hypothesis, NASA says
00:19:13 Is it possible that the interstellar medium is causing standard candles to lose intensity
00:26:51 Fred Watson: Andrew, thanks for hosting the Space Nuts podcast
Support Space Nuts and join us on this interstellar voyage by visiting our support page. Your contributions help us continue our mission to explore the wonders of the universe. Clear skies and boundless exploration await on Space Nuts, where we make the cosmos your backyard.
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Embark on a celestial journey with Andrew Dunkley and Professor Fred Watson in this episode of Space Nuts, where they explore a variety of space phenomena that are as intriguing as they are mysterious. Firstly, they discuss Blue Origin's return to the stars with NS-25, a mission that marked a triumphant comeback after technical setbacks. The flight not only signifies Blue Origin's resilience but also the inspirational story of Ed Dwight, the first African-American astronaut candidate, who at 90 years old, set a record as the oldest person to reach space.Next, the conversation lightens with the discovery of a planet with the consistency of fairy floss, also known as cotton candy or candy floss. WASP-193b, a gas giant that defies the norms of density and composition, leaves astronomers scratching their heads. How does a planet become so 'fluffy'? What could it possibly be made of? These are the questions that Andrew and Fred ponder as they delve into the mysteries of planet formation.Lastly, the duo discusses the gravitational wave background in the universe, likening it to the cosmic microwave background radiation. They explore how pulsar timing arrays are providing new insights into the 'hiss' of gravitational waves created by countless cosmic events, offering a deeper understanding of the universe's dynamic fabric.From record-breaking astronauts to cotton candy planets and the cosmic symphony of gravitational waves, this episode of Space Nuts is packed with astronomical wonders that will leave you in awe. Tune in and let your curiosity soar to the farthest reaches of space.00:00:00 This is Space Nuts, where we talk astronomy and space science
00:01:12 Professor Fred Watson discusses eating fairy floss with a moustache
00:02:10 Bright flash in the sky over Europe turned out to be comet
00:05:55 Ed Dwight was the first astronaut of colour to be selected by NASA
00:10:10 This is a newly discovered planet, or newly identified planet
00:17:14 Planet in orbit around red dwarf star 1200 light years away
00:21:06 Fred: Some work is being done on background gravitational waves
00:28:17 Fred Watson: People are fascinated by gravitational waves because of mystery
Support Space Nuts and join us on this interstellar voyage by visiting our support page. Your contributions help us continue our mission to explore the wonders of the universe. Clear skies and boundless exploration await on Space Nuts, where we make the cosmos your backyard.
Become a supporter of this podcast: https://www.spreaker.com/podcast/space-nuts--2631155/support.
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