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Psyche Revisited and Two Giant Black Holes
Episode 351
The presumed metallic asteroid Psyche gets a new look before the spacecraft of the same name gets there in 2029, and it reveals different spectral ch…
2 years, 5 months ago
The Tiniest Ocean World and the Brightest Quasar
Episode 350
Saturn's so-called Death Star moon Mimas may harbor a global subsurface ocean based on analysis of Cassini data of the tiny moon's orbit and rotation…
2 years, 6 months ago
Space Oddities in the Solar System
Episode 349
Water molecules have been observed on the surface of an asteroid for the first time, and new studies help explain some of the odd behavior of planeta…
2 years, 6 months ago
When Will We Walk on Mars?
Episode 348
In this special episode recorded live at MegaCon Orlando 2024, we are joined by NPR space reporter Brendan Byrne to take a close look at where we are…
2 years, 6 months ago
Large Cosmological Structures and JWST Spies a Binary TNO
Episode 347
There's another claim for a violation of the cosmological principle - that all parts of the universe are basically the same on large scales - but Top…
2 years, 7 months ago
Trojan Mysteries and Titan Snowbergs
Episode 346
Strange disappearing islands in the hydrocarbon lakes of Saturn's giant moon Titan may be fluffy icebergs of hydrocarbon snow. If you're on Titan, de…
2 years, 7 months ago
Agents of Chaos and Iron Snow
Episode 345
What role has Jupiter played in the existence of our warm and cosy home planet? Has it been bravely using its gravity to keep the inner solar system …
2 years, 7 months ago
Globular Clusters and Life in Enceladus
Episode 344
New analysis of Cassini data suggests more complex hydrocarbons are part of Enceladus's global sub-surface ocean. We discuss the prospects for life o…
2 years, 8 months ago
Pluto Cryovolcano and a Cosmological Supervoid
Episode 343
At Pluto's frigid temperatures, even what we breathe is frozen. This can give rise to unusual cryovolcanism, and new research suggests a super cryovo…
2 years, 8 months ago
Mysterious Cosmic Ray and Martian Airglow
Episode 342
The second most energetic cosmic ray (really a particle) ever observed smashed into the Earth a couple of years ago, raising more questions about the…
2 years, 8 months ago