NGC 474's ghostly shell galaxy & Predawn Moon, Mars, Saturn lineup - Space News (Jul 12, 2026)

Please support this podcast by checking out our sponsors: - Prezi: Create AI presentations fast - https://try.prezi.com/automated_daily - KrispCall: Agentic Cloud Telephony - https://try.krispcall.com/tad - Invest Like the Pros with StockMVP - https://www.stock-mvp.com/?via=ron Support The Automated Daily directly: Buy me a coffee: https://buymeacoffee.com/theautomateddaily Today's topics: NGC 474's ghostly shell galaxy - A newly highlighted deep image of NGC 474 reveals faint shells and stellar streams around the elliptical galaxy. The view offers fresh insight into galaxy mergers, stellar archaeology, and how dark matter may shape these ghostly structures. Predawn Moon, Mars, Saturn lineup - Skywatchers on July 11 and 12 had a chance to see the waning crescent Moon lining up with Mars and Saturn before sunrise, with Uranus nearby for binocular users. It's a timely and accessible astronomy event that helps listeners connect with the Solar System in real time. NOAA reports minor solar blackout - NOAA's Space Weather Prediction Center reported an R1 minor radio blackout on July 12, 2026. The update shows how solar flares can affect high-frequency radio communication and why daily space weather monitoring matters for technology and operations on Earth. Tianwen-2 studies Earth quasi-satellite - China's Tianwen-2 mission is now conducting science at asteroid Kamoʻoalewa, a near-Earth quasi-satellite with an unusual orbit. The mission adds context to today's headlines by showing how active asteroid exploration has become in 2026. Dark July skies invite observers - With New Moon approaching on July 14, mid-July offers darker skies for viewing the Milky Way and other faint targets. That makes this week's planetary alignment part of a broader stretch of excellent observing opportunities. Episode Transcript NGC 474's ghostly shell galaxy First up, NGC 474. A newly featured deep image shows this elliptical galaxy surrounded by delicate shells and faint streams of stars, giving it the appearance of ripples or wheels made of light. Those structures are the leftovers of past encounters with smaller galaxies, so this isn't just a beautiful picture; it's a record of cosmic cannibalism. For astronomers, features like these help reconstruct how galaxies grow over time and may even offer clues about the invisible dark matter shaping their motions. Predawn Moon, Mars, Saturn lineup Back in our own sky, early risers on July 11 and 12 were treated to a graceful predawn lineup. The waning crescent Moon appeared near Mars and Saturn in the eastern sky, creating an easy-to-spot planetary scene for naked-eye observers, while Uranus joined the grouping for anyone with binoculars or a telescope. Alignments like this are mostly about perspective, not the planets crowding together in space, but they are a great reminder that the Solar System is dynamic and visible to anyone willing to look up before sunrise. NOAA reports minor solar blackout Now to space weather. NOAA's Space Weather Prediction Center reported an R1, or minor, radio blackout as of early July 12 UTC. In practical terms, that means solar flare activity was strong enough to cause weak degradation of high-frequency radio communication on the sunlit side of Earth, with occasional dropouts possible for users who depend on those frequencies. It's a mild event, not a major storm, but it's a useful reminder that the Sun is an active star and that even modest solar outbursts can ripple into modern technology. Tianwen-2 studies Earth quasi-satellite For broader exploration context, one of the biggest ongoing mission stories this month remains Tianwen-2 at asteroid Kamoʻoalewa, also known as 2016 HO3. The Chinese spacecraft has reached the small near-Earth object and begun science operations after a long journey, targeting a body whose unusual quasi-satellite orbit keeps it closely linked to Earth's neighborhood. It's a strong example of how today's space activity stretches from deep-sky imaging all the way to robotic fieldwork on small bodies close to home. Dark July skies invite observers And if the recent planet lineup has you in a skywatching mood, the timing is good. With New Moon approaching on July 14, the coming nights should offer darker skies for spotting the Milky Way and other fainter targets, and NASA has also noted this as a favorable window for broader July observing. So today's news isn't only something to hear about; for many listeners, it's also an invitation to step outside and experience the sky directly. 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