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Deep-Sky Objects, Galaxies, Observing Fall into the Whirlpool Galaxy: This Week in Astronomy with Dave Eicher
Deep-Sky Objects, Galaxies, Observing How Markarian 205 nearly broke the universe: This Week in Astronomy with Dave Eicher
Deep-Sky Objects, Galaxies, Observing Explore the Virgo galaxy cluster: This Week in Astronomy with Dave Eicher
Deep-Sky Objects, Observing Journey to the centers of galaxies by observing galaxy cores for yourself