Science Quickly Measles Outbreaks, Asteroid Risks and Fish Friends
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Feb 24, 2025 Explore the mysterious light emitted by the black hole at the galaxy's center. Discover how astronaut candidate John McFall breaks barriers as the first physically disabled person cleared for space. Learn about the fluctuating risk of asteroid 2024 YR4 impacting Earth, which has shifted dramatically from over 3 percent to 1.5 percent. Plus, dive into a surprising outbreak of measles in West Texas and uncover fascinating studies linking human speech patterns to fish behavior.
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Asteroid Impact Probability Fluctuation
- Asteroid 2024 YR4's probability of hitting Earth in 2032 briefly rose to over 3%, then fell to 1.5%.
- This fluctuation is expected and more information can be found in the February 12th episode.
Black Hole Light Emissions
- The black hole at the Milky Way's center, Sagittarius A*, emits near-constant flares of light.
- Its accretion disk bubbles with activity, ranging from faint flickers to bright daily eruptions.
Physically Disabled Astronaut Cleared for ISS
- John McFall, an amputee and Paralympic medalist, is the first physically disabled astronaut candidate cleared for the ISS.
- The ESA conducted a feasibility study and confirmed McFall's eligibility for spaceflight.