Celebration of 500 episodes of astronomy cast and what to do next
A story of Meteor Whispers & Phaethon, the mysterious Earth approaching object that does not fit our definition of either an asteroid or a comet.
While imaging the Andromeda Galaxy, the Spitzer Space Telescope uncoverd a never-before-seen hole, the result of a collision with a nearby dwarf galaxy, in the Andromeda Galaxy.
It’s a mystery that’s puzzled astronomers for years. Which came first, supermassive black holes or the galaxies that surround them?
Dr Gavin Schmidt discusses rising global temperatures, what are the probable causes, how the data is collected by scientists, & what industrialized nations are doing to help reduce carbon dioxide emissions.
Cheap Astronomy goes skeptical and puts the kibosh on the EM-drive and backwards time travel.
Podcaster: Allen Versfeld (more…)
We started out Astronomy Cast with the controversial decision to de-planet Pluto. And here we are, more than a decade later, at the brink of recording our 500th episode when another big decision is coming down from the IAU: Whose name goes on the concept that our Universe is expanding: Hubble or Lemaître?