What are planets made of?

We’re back! We’ve officially moved into our new headquarters! Come unpack with us and get a tour while we fill you in on some big news. Plus, new episodes of Brains On coming later this month and new Smash Boom and Forever Ago after that. If you want to support the show or drop u ...  Show more

We're moving the Brains On Universe Headquarters, and that means we have to stop putting out new episodes until we get settled. We know: not cool. But, our new home is going to be bigger and better and the absolute BEST. We can't wait until it's ready for you to visit. In the mea ...  Show more

In episode 67, thanks to a fantastic suggestion from Ruby of Sydney, Australia and Olivia's cousin Abby, we get curious about planets.  There were 9 planets when Olivia's daddy was her age and there are only 8 planets now.  Why is that?  What makes a planet a planet?  Join us ...

Can wobbly planets have more than two solstices? Are we earthlings receding from the sun and the other planets? What is dark flow and why is it controversial? When stars die, is their energy lost forever? Send your questions to podcast@ras.ac.uk or find us on Instagram @Supermass ...  Show more

Since the Kepler telescope went online, astronomers have found there may be an estimate 40 billion planets like Earth in the Milky Way galaxy alone. What does it take for a planet to be considered Earth-like?

Daniel and Jorge talk about how a planets gets its natural satellites and the stories that each one reveals.See omnystudio.com/listener for privacy information.