Spacetime With Stuart Gary

S27E143: Milky Way's Uniqueness, Prober 3's Solar Mission, and Australia's Secret Satellite

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Synopsis

SpaceTime Series 27 Episode 143*The Milky Way: An Unusual GalaxyA new study reveals that our Milky Way galaxy is an outlier among similar galaxies, challenging the assumption that it is a typical model for understanding galactic formation and evolution. Published in the Astrophysical Journal, the research highlights differences in the Milky Way's evolutionary history compared to other galaxies of similar mass. The Satellite Surround Galactic Analogues (SEGA) survey has identified 101 Milky Way-like analogues, revealing that the Milky Way hosts fewer satellite dwarf galaxies than its peers. Additionally, star formation in the Milky Way's satellite galaxies is less active, raising questions about its unique galactic environment.*Europe's Prober 3 Mission to Study the SunAll systems are go for the European Space Agency's Prober 3 mission, set to launch next month to study the Sun's corona. This double-satellite mission will create artificial eclipses, allowing for prolonged observations of the Sun's atmosphere.