Space Nuts Episode 486: James Webb's First Image and Cosmic Mysteries Unveiled
Join Andrew Dunkley and Professor Fred Watson as they delve into the latest astronomical marvels in this exciting episode of Space Nuts. From the groundbreaking first image captured by the James Webb Space Telescope to intriguing listener questions about galaxy sizes and cosmic mysteries, this episode is packed with stellar insights.
Episode Highlights:
- James Webb's First Image: Discover the breathtaking first image from the James Webb Space Telescope, revealing a cluster of galaxies in stunning detail. Learn how this new tool surpasses the Hubble Telescope's capabilities and what it means for the future of space exploration.
- Galaxy Size Anomalies: Explore the fascinating question from Alex in New South Wales about why galaxies appear to change size at different distances. Fred Watson Watson explains the peculiar properties of our expanding universe that lead to this phenomenon.
- Dark Matter Discoveries: Anna from Astronomy Daily shares groundbreaking research into the GD1 Stellar Stream, suggesting a new understanding of dark matter involving self-interacting subhalos. Discover how this could revolutionise our knowledge of the universe's fundamental structure.
- China's Rocket Advancements: Learn about China's impressive technological strides with successful tests of multiple rocket engines in a single day. Understand how these developments could impact future lunar and Mars missions.
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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 welcomes Professor Fred Watson to Space Nuts
02:53 - The James Webb Space Telescope has released its first deep field image
10:32 - Fred and Andrew welcome Alex from Bellingen, New South Wales
11:00 - It's common understanding that distance reduces apparent size of galaxies
15:31 - Astronomers may have finally cracked a long standing cosmic mystery about GD1
17:57 - China conducted tests of five different rocket engines in a single day
✍️ Episode References
James Webb Space Telescope
https://www.jwst.nasa.gov/
Hubble Space Telescope
https://www.nasa.gov/mission_pages/hubble/main/index.html
SMACS 0723
https://en.wikipedia.org/wiki/SMACS_J0723.3%E2%80%937327
Abel clusters
https://ned.ipac.caltech.edu/level5/Abell/frames.html
Astronomy Daily
https://astronomydaily.io/
China Aerospace Science and Technology Corporation
http://www.spacechina.com/n25/n2014789/English/index.html


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