Daniel and Kelly’s Extraordinary Universe Listener Questions #11
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May 29, 2025 The hosts dive into the mysteries of black holes, exploring the fascinating dynamics of their mergers and the gravitational waves they produce. They tackle the intriguing subject of animal coloration, highlighting the genetic factors that influence dog fur patterns. A discussion on particle accelerators reveals their connection to the Big Bang, elucidating energy measurements and cosmic events. Time dilation is also examined, showcasing how different speeds and gravitational forces can alter our perception of time.
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Animal Adoption Stories
- Kelly and Daniel share stories about adopting cats and the irresistible nature of animals adopting them back.
- They mention accumulating farm animals through unexpected arrivals, illustrating animal attraction naturally increasing pet numbers.
What Defines a Black Hole
- Black holes trap light by curving space-time so that inside, space directs only toward the center.
- This creates the event horizon, the boundary beyond which nothing can escape, defining black holes.
Mass Loss in Black Hole Mergers
- The mass lost during black hole mergers comes from the system's gravitational and rotational energy radiated as gravitational waves.
- The final black hole's mass is less than the sum of the original two because of this energy loss.