Spacetime With Stuart Gary

Exoplanet Discovery, Dark Energy Evolution

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Synopsis

SpaceTime Series 28 Episode 37The Astronomy, Space and Science News PodcastExciting New Exoplanet Discovery, Evolving Dark Energy, and Insights into the Moon's Magnetic FieldIn this episode of SpaceTime, we uncover the discovery of a potential new exoplanet, TOI 2818C, located over a thousand light years away in the constellation Papus. This intriguing planetary candidate is estimated to be 10 to 16 times the size of Earth and orbits its host star in less than 16 Earth days. We delve into the innovative transit timing variations method employed by astronomers, which revealed the presence of this companion planet alongside the hot Jupiter TOI 2818b, and discuss the implications for our understanding of planetary formation in hot Jupiter systems.Dark Energy's Mysterious EvolutionWe also explore a groundbreaking study suggesting that dark energy may be evolving over cosmic time scales. Utilizing data from the Dark Energy Spectroscopic Instrument (DESI), scientists are piecing together the largest three-dimension