S27E57: Rewriting Cosmic History: The Surprising Growth of Early Galaxies

Embark on a celestial odyssey with SpaceTime Series 27 Episode 57, where we unravel the rapid evolution of spiral galaxies.Our cosmic journey begins over 10 billion years ago, as new observations from the Webb Space Telescope reveal the early formation of star bars. These stellar structures, pivotal in the maturation of galaxies, were once thought to emerge in a chaotic young universe. Yet, they now appear to have developed far sooner, indicating a surprisingly orderly galactic evolution.The episode takes an unexpected turn as we delve into the moon's dramatic geological past. Discover how our lunar companion turned itself inside out, reshaping its surface with titanium-rich lava flows. The tale unfolds through a blend of computer simulations and spacecraft observations, shedding light on the moon's enigmatic lopsided geology.As we return to Earth, we witness the changing of the guard aboard China's Tiangong space station. The Shenzhou 17 crew's safe return after six months in orbit paves the way for the Shenzhou 18 team to continue exploring the frontiers of science in microgravity, including the intriguing endeavor of raising fish in the void.Concluding our cosmic survey, we gaze upon the night sky's wonders in the May edition of Skywatch. Marvel at the constellation Scorpius, the radiant Antares, and the Eta Aquarids meteor shower—a celestial spectacle born from the remnants of Halley's Comet.For a comprehensive voyage through these astronomical discoveries, visit https://spacetimewithstuartgary.com and support the show at https://www.spreaker.com/show/spacetime. Immerse yourself in the wonders of the universe with SpaceTime.This episode is brought to you by NordPass. Secure your digital life as you traverse the vast expanse of space with a password manager you can trust. Visit www.bitesz.com/nordpass to learn more.Listen to SpaceTime on your favorite podcast app and follow us on Twitter @stuartgary, Instagram, YouTube, and Facebook. Join us as we unravel the cosmos, one episode at a time.(00:00) New observations show galaxies evolved much faster than previously thought(00:43) New study suggests early galaxies evolved much faster than previously thought(12:46) In greek mythology, the constellation was named after Scorpius(23:39) Short period comet will make its next close up appearance in 2061(26:21) It's actually a good time for stargazing this time of the year(29:20) Many stars in the night sky are multiple stars, right(31:11) During mid evening, the constellation Scorpius will poke its nose up over the horizon(32:40) Jupiter is too close to the sun to be seen this month(33:59) Spacetime is available every Monday, Wednesday and Friday through Apple podcastsThis episode is proudly supported by NordPass. Safeguard your digital journey across the infinite expanse with a password manager you can count on. Secure your celestial navigation at www.bitesz.com/nordpass.Tune into SpaceTime on your preferred podcast app and follow us on Twitter @stuartgary, Instagram, YouTube, and Facebook.Become a patron for exclusive access to ad-free episodes and special content: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.