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Space Nuts: Astronomy Insights & Cosmic Discoveries Podcast
#430: Dark Energy Theories & Voyager's Cosmic Rays: Your Queries Answered

#430: Dark Energy Theories & Voyager's Cosmic Rays: Your Queries Answered

Space Nuts: Astronomy Insights & Cosmic Discoveries vor 2 Jahren

0:00

21:12

Space Nuts Q&A: Black Holes, Voyager 1, and Atmospheric
TubesJoin Andrew Dunkley and Professor Fred Watson in this lively
Q&A edition of Space Nuts, where they tackle intriguing
questions from listeners Geoff, Paddy, and Oliver. From the
mysteries of black holes to the adventures of Voyager 1, this
episode is packed with cosmic insights.Episode Highlights:- **Black
Holes and Radiation**: Young listener Oliver from Queensland poses
a fascinating question about why radiation from black holes doesn't
get sucked back in and whether black holes could be creating dark
energy. Fred explains the concept of Hawking radiation and delves
into the theories connecting black holes to dark energy.- **Voyager
1's Journey**: Paddy from Northern Ireland asks about cosmic rays,
the recent drama with Voyager 1, and how NASA manages to
communicate with such a distant spacecraft. Fred discusses the
nature of cosmic rays, the shielding effect of Earth's atmosphere,
and the impressive technology of the Deep Space Network.-
**Atmospheric Tubes**: Geoff from the Isle of Wight presents a
"what if" scenario involving a magic pipe extending into space.
Fred explores the physics behind atmospheric pressure and
gravitational pull, explaining why such a pipe wouldn't suck out
Earth's atmosphere

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