Discovery of a White Dwarf so Massive it Might Collapse

The Astronomy, Technology, and Space Science News Podcast.<br />SpaceTime Series 24 Episode 79<br />*Discovery of a White Dwarf so massive it might collapse<br />Astronomers have discovered the most massive white dwarf ever seen. The smouldering cinder, which formed when two smaller white dwarfs merged, is packing a mass greater than that of our Sun squeezed into an object about the size of our Moon.<br />*A new hypothesis to explain Mercury’s huge iron core<br />A new study claims that rather than being the result of a massive collision blasting away much of its mantle – Mercury’s proportionally massive core is simply the result of where the planet formed.<br />*Planet Earth’s hot new neighbour<br />Astronomers have discovered a new exoplanet in our part of the galactic neighbourhood.<br />*A final mission for the Cygnus 15 cargo ship<br />A Cygnus cargo ship has undocked from the International Space Station to launch a series of five satellites before ending its mission.<br />*The Science Report<br />A new study shows people will need to vaccinate to at least 85% to achieve herd immunity.<br />Night-owls have an increasing risk of obesity.<br />Australia’s oddest and most critically endangered species of fungus.<br />China is continuing its preparations for war -- building over a hundred new nuclear missile silos.<br />Skeptic's guide to the Falcon Lake UFO incident.<br />For more SpaceTime and show links: <a href="https://linktr.ee/biteszHQ" rel="noopener">https://linktr.ee/biteszHQ</a>