Oceans, Space-Time Stiffness & Ganymede's Hidden Crater: A Cosmic Q&A

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package purchases only.Questions About Oceans, Space-Time, and
Impact Craters
In this engaging Q&A episode of Space Nuts, host Andrew Dunkley
and the ever-knowledgeable Professor Fred Watson tackle a variety
of intriguing listener questions. From the depths of Earth's oceans
to the mysteries of space-time and the latest in astronomical
discoveries, they provide insights and fascinating
discussions.
Episode Highlights:
- Exploring Earth's Oceans: Listener Pete sparks a
discussion on the origins and depth of Earth's oceans. Andrew and
Fred Watson delve into theories about water's presence during
Earth's formation and the intriguing idea of what our planet would
look like without its vast oceans.
- The Stiffness of Space-Time: Doug's question
leads to a deep dive into the concept of space-time stiffness,
comparing it to steel and exploring how scientists measure this
property. Fred Watson explains the relationship between mass and
the distortion of space-time, shedding light on this complex
topic.
- New Antenna Array Developments: John in New
Mexico asks about the Next Generation Very Large Array (NGVLA),
prompting a discussion on its significance in the astronomy
community and how it compares to other major arrays like the Square
Kilometre Array. Andrew and Fred Watson highlight the advancements
and potential scientific contributions of these new
technologies.
- Impact Craters in the Solar System: Rusty raises
questions about the largest impact crater on Ganymede and its
comparison to the Aitken Basin on the Moon. The duo explores the
implications of these findings and the fascinating history behind
these celestial features.
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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) Welcome to Space Nuts with Andrew Dunkley and Fred Watson
Watson
(01:20) Discussion on the origins and depth of Earth's oceans
(15:00) Exploring the stiffness of space-time
(25:30) Updates on the Next Generation Very Large Array
(35:00) The largest impact craters in the solar system
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