Universe isn’t expanding into anything. But what if we’re living in a vast multiverse, and our Universe is bumping up against other universes?
Dec 29th: What’s Outside the Universe? Searching For Evidence of a Multiverse
Fraser Cain Archive
Dec 22nd: Where is the closest black hole?
Black holes are pretty dangerous, so it’s a good idea to keep an idea on where all the nearby ones are. How close is the closest one, anyway?
Oct 31st: How Can We Save The Sun? Saving the Sun from Running Out of Fuel
Bad news, our Sun is living on borrowed time. It’s only got a few billion years left. How Can We Save The Sun? Saving the Sun from Running Out of Fuel.
Oct 24th: Is There Life on Mars? The Story of the Search for Life on Mars
You know what would be exciting? Finding life on Mars. What is the best evidence we’ve seen for life on the Red Planet?
Sep 22nd: How Far Away is Fusion? Unlocking the Power of the Sun
The Sun uses its enormous mass to crush hydrogen into fusion, releasing enormous energy. How long will it be until we’ve got this energy source for Earth?
Sep 14th: Supermassive Black Holes or Their Galaxies? Which Came First?
It’s a mystery that’s puzzled astronomers for years. Which came first, supermassive black holes or the galaxies that surround them?
Aug 25th: Do We Live in a Special Part of the Universe?
In ancient times, astronomers and philosophers thought that the Earth was the center of the Universe. We know that’s wrong, but is there anything special about where we live?
Aug 17th: Will We Ever Reach Another Star?
We hear about discoveries of exoplanets every day. So how long will it take us to find another planet like Earth?
Aug 10th: Do Stars Move? Tracking Their Movements Across the Sky
The stars look static in the sky, but are they moving? How fast, and how do we know?
Jul 23rd: Open Space Discussion with Dr. Pamela Gay
This week Fraser joined by his Astronomy Cast co-host Dr. Pamela Gay to talk about all things astronomy, and casting.