Short Wave It's Fat Bear Week!
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Oct 6, 2023 It's that time of year again: Fat Bear Week! Learn how brown bears in Katmai National Park bulk up for hibernation, and discover the remarkable physiological changes they undergo. The hosts also delve into the issue of light pollution from satellites, revealing its impact on astronomical research. Plus, there's a thrilling look at antimatter research, uncovering the mysteries of gravity and matter. Don't miss the vote for your favorite bear—this playful competition is both fun and educational!
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Satellite Light Pollution
- Satellites reflect sunlight, contributing to light pollution.
- This growing issue stems from companies launching vast satellite networks for internet access.
Impact on Astronomy
- The brightness of satellite networks disrupts data for ground-based telescopes.
- Blue Walker 3, a large commercial satellite, is brighter than many stars, impacting astronomical observations.
Asteroid Detection
- Satellite light pollution hinders asteroid detection by brightening the night sky.
- This brightness is especially problematic at dusk and dawn, when astronomers search for faint asteroids.