S27E32: Juno's Europa Flyby: Unraveling the Oxygen Secrets of Jupiter's Icy Moon

SpaceTime with Stuart Gary

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The Space, Astronomy & Science Podcast.
SpaceTime Series 27 Episode 32
*Juno's Icy Encounter: Oxygen Production on Europa
NASA's Juno spacecraft has made a groundbreaking discovery, directly measuring charged oxygen and hydrogen molecules on Jupiter's icy moon Europa. With findings reported in Nature Astronomy, this revelation provides critical insights into the moon's global subsurface ocean's potential habitability. Juno's flyby uncovers the atmospheric composition of Europa, offering a new understanding of its surface ice and the intriguing possibility that oxygen may fuel life deep within the moon's ocean.
*White Dwarf Stars Defying the Cooling Process
Astronomers are left baffled by a population of white dwarf stars that have mysteriously ceased cooling, a finding that upends long-standing theories about stellar evolution. The discovery, reported in the journal Nature, suggests that some white dwarfs might be generating extra energy, challenging the way scientists determine the age of these ancient celestial remnants and the history of our galaxy.
*Unlocking Neptune's Past with Icy Asteroids
The Kuiper Belt's icy rocks may hold the key to Neptune's formation. A study of the binary asteroid system Moore's Somnus, detailed in Astronomy and Astrophysics, suggests that the ice giants' tumultuous past and the solar system's evolution are etched in these frozen bodies. The research, aided by the James Webb Space Telescope, provides a glimpse into the chemistry and physics that shaped the outer reaches of our planetary neighborhood.
*Japan's Lunar Lander: A Survivor of the Lunar Night
JAXA's lunar lander, Slim, has unexpectedly survived the frigid lunar night and phoned home. Initially landing on its side, the probe managed to conduct scientific observations during a brief solar recharge. As Slim enters sleep mode once more, mission managers anticipate another attempt at revival with the next lunar dawn, marking Japan's advancement in lunar exploration.
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📋 Episode Chapters
(00:00) NASA's Juno spacecraft measures oxygen production on icy moon Europa
(03:35) Scientists have discovered a population of white dwarf stars that have mysteriously stopped cooling
(07:47) A ring of icy rocks orbiting the sun just beyond Neptune may give astronomers clues
(16:53) Scientists say a mass bleaching event is currently unfolding on the Great Barrier Reef
(19:49) Apple have just released their latest iOS updates for iPhone and iPads
(20:53) Apple launches two new MacBook Air models with faster processors for artificial intelligence
(23:02) Spacetime is available every Monday Wednesday and Friday through various podcasting platforms