03: Is Betelgeuse About to Blow?

*Is Betelgeuse about to blow?The red supergiant Betelgeuse is dimming unusually and astronomers don’t know why. The strange activity is causing growing speculation that it may be about to go supernova --or maybe not.*Discovery of the earliest known cannibalismAstronomers have discovered the earliest known example of galactic cannibalism – an observation dating back some 13 billion years.*The Milky Way galaxyOkay, so we all know that we live on a small terrestrial planet orbiting a small yellow dwarf star in the Milky Way galaxy. But what do you really know about the Milky Way galaxy and our place in it?*Vulcan to fly next yearThe United Launch Alliance says its new Vulcan Centaur rocket is on track to have its maiden flight next year.*China launches its most powerful rocketChina has s carried out a successful launch if its most powerful rocket – the Long March 5.*The Science ReportNew study warns that losing intact tropical forests is more devastating on climate than previously thought.Emissions of the potent greenhouse gas nitrous oxide increasing.Eating more ultra-processed foods linked to an increase risk of developing type 2 diabetes.Scientists think they've cracked why whales are so unbelievably huge.Archaeologists discover two Bronze Age tombs in Greece. For information regarding your data privacy, visit acast.com/privacyBecome a supporter of this podcast: https://www.spreaker.com/podcast/spacetime-with-stuart-gary--2458531/support.