Ep: 290 Failed Stars

If you get enough hydrogen together in one place, gravity pulls it together to the point that the temperature and pressures are enough for fusion to occur. This is a star. But what happens when you don't have quite enough hydrogen? Then you get a failed star, like a gas giant planet or a brown dwarf.

Ep. 217: Stellar Classification

Podcast: Play in new window | Download (0.0KB) Have you ever heard an astronomer utter these words? Oh be a fine girl and kiss me. They’re not being romantic, they’re trying to remember the different ways to organize stars, as detailed nicely on a Hertzsprung–Russell diagram. Let’s...

Ep. 158: Pulsars

Podcast: Play in new window | Download (0.0KB) Imagine an object with the mass of the Sun, crushed down to the size of Manhattan. Now set that object spinning hundreds of times a second, blasting out powerful beams of radiation like a lighthouse. That’s a pulsar, one of the most exotic objects in...

Ep. 156: Famous Stars

Podcast: Play in new window | Download (0.0KB) This week we’re going to talk about famous stars. But not those boring human ones you read about in People magazine. No, we’re talking about those hot balls of plasma across the distant Universe. The close ones, the bright ones, the massive...

Ep. 155: Dwarf Stars

Podcast: Play in new window | Download (0.0KB) We think we live near an average star, but that’s not the case at all. Compared to most stars in the Universe, the Sun is a giant! Let’s look at the small end of the stellar spectrum, to stars with a fraction of the size and mass of our own Sun....

Ep. 152: Binary Stars

Podcast: Play in new window | Download (0.0KB) Did you know that our Solar System is a rarity with its single star. Astronomers believe that most star systems out there actually contain 2 or more stars – imagine seeing a sky with 4 suns. These binary and multiple star systems are a great target...