46: Hunting for Dark Galaxies

The astronomy and space science news podcast.Stream podcast episodes on demand from www.bitesz.com/spacetime (mobile friendly).   *Hunting for dark GalaxiesAn ancient collision with a newly discovered dark dwarf galaxy may be responsible for the Milky Way’s characteristic outer disk ripples. *Massive Martian ice discovery opens a window into red planet's historyScientists say newly discovered layers of ice buried almost two kilometres beneath the Martian north pole are the remnants of ancient polar ice sheets -- and could be one of the largest water reservoirs on the planet. *Earth's mantle is far more intricate than thoughtA new study has revealed the Earth’s mantle to be a far more geochemically diverse mosaic than previously thought. *The ticking time bomb of BetelgeuseBetelgeuse is a massive ticking time bomb – destined to explode as one of the nearest supernovae to Earth – and it could happen any time now. *Russia launches new military navigation satelliteRussian space forces have launched a new military navigation satellite. *Moscow’s most powerful communications satelliteA Russian proton rocket has launched the nation’s most powerful ever telecommunications satellite. *India launches a new Earth observation satelliteIndia has successfully launched its new RISAT-2B Earth observation radar imaging satellite. *The Science ReportIncreasing red meat intake -- especially processed meats -- may be leading you closer to the grave.A new study warns that if your teen is sexting they’re probably having sex.The Internet found to produce both acute and sustained alterations in specific areas of the brain.Scientists confirm when it comes to dating -- people really do have a type.The biomarkers which influence male sexual orientation.Iran has increased its production of enriched uranium.The fantasy some people are condemned to live..For enhanced Show Notes including photos to accompany this episode, visit: http://www.bitesz.com/spacetimeshownotes Subscribe, rate and review SpaceTime at all good podcasting apps…including Apple Podcasts (formerly iTunes), Google Podcasts, Stitcher, PocketCasts, Podbean, Radio Public, TuneIn Radio, google play, Spreaker, Spotify, Deezer, ACast, etc RSS feed: https://feeds.megaphone.fm/spacetime Would you prefer to have access to the special commercial-free version of SpaceTime? Help support the show, subscribe at Patreon....and share in the rewards. Details at www.patreon.com/spacetimewithstuartgary  Email: [email protected] To receive the Astronomy Daily Newsletter free, direct to your inbox...just join our mailing list at www.bitesz.com/mailinglist  Learn more about your ad choices. Visit megaphone.fm/adchoices  See acast.com/privacy for privacy and opt-out information.Become a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.