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Primordial Black Holes, Ancient Galaxies & The Ultimate Lagrange Point: #488 - Q&A Edition

Primordial Black Holes, Ancient Galaxies & The Ultimate Lagrange Point: #488 - Q&A Edition

Space Nuts: Astronomy Insights & Cosmic Discoveries vor 1 Jahr

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33:16

Space Nuts Episode 488: Cosmic Curiosities - Primordial
Black Holes, Ancient Galaxies, and the Ultimate Lagrange
Point

Join Andrew Dunkley, Professor Fred Watson, and Professor Jonti
Horner as they tackle intriguing questions from our listeners in
this Q&A edition of Space Nuts. Dive into the mysteries of the
universe with thought-provoking discussions on primordial black
holes, ancient galaxies, and the concept of the ultimate Lagrange
point.

Episode Highlights:

- Primordial Black Holes: Rusty from Donnybrook throws a
cosmic curveball about the impact of a primordial black hole
entering our solar system. Explore the fascinating scenarios and
potential consequences with Fred and Jonti as they delve into
gravitational dynamics and celestial mechanics.

- Ancient Galaxies: Marcel questions the age of the universe
as the James Webb Space Telescope continues to uncover older
galaxies. Fred and Jonti unravel the complexities of cosmic
timelines and the implications for our understanding of galaxy
formation and evolution.

- The Ultimate Lagrange Point: Buddy from Oregon ponders
whether the center of a galaxy could be the ultimate Lagrange
point. Discover the intricacies of gravitational balance and
stability as Jonti explains the concept of Lagrange points and
their cosmic significance.

- Expansion of the Universe: Michael from Illinois raises
questions about the accelerating expansion of the universe and its
effects on our solar system. Fred and Jonti discuss the interplay
between cosmic expansion and gravitational forces, offering
insights into the future of our universe.

For more Space Nuts, including our continually updating newsfeed
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visit spacenutspodcast.com/about.

Stay curious, keep looking up, and join us next time for more
stellar insights and cosmic wonders. Until then, clear skies and
happy stargazing.

00:00 - Andrew Dunkley answers questions from audience about
primordial black holes

02:08 - Rusty asks a question about black holes in the solar
system

06:39 - Science currently holds the belief that our universe is
13.8 billion years old

09:54 - Scientists say HD140283 is older than the edge of the
universe

13:23 - Would the center of a galaxy be like the ultimate Lagrange
point

14:11 - Would the center of the galaxy be the ultimate Lagrange
point

19:30 - Fred Ferguson: An accelerating expansion means everything
in the universe is moving apart

24:20 - Patrick Lukaf: There have been several versions of Planet X
proposed

32:22 - Don't forget to send us your questions via our
website

www.spacenutspodcast.com/ama

️ Episode References

James Webb Space Telescope

https://www.jwst.nasa.gov/

Dark Sky Traveller

http://darkskytraveller.com.au/

Methuselah Star (HD 140283)

https://en.wikipedia.org/wiki/HD_140283

Great Attractor

https://en.wikipedia.org/wiki/Great_Attractor

Planet Nine

https://en.wikipedia.org/wiki/Planet_Nine

Lagrange Points

https://en.wikipedia.org/wiki/Lagrange_point

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