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Water in the Solar System - Dragoncon 2023
Episode 331
The astroquarks report from Dragoncon 2023 on the surprisingly diverse distribution of water in the solar system, where it came from, and the prospec…
2 years, 11 months ago
Diamonds, Granite, and Hubble Tension
Episode 330
When we think of all the wonderfully unique things about the Earth as a planet (liquid water on the surface, life, plate tectonics), the existence of…
3 years ago
The Sun Bounces Gamma Rays and a Muon Surprise
Episode 329
The Sun is showering us with far more gamma rays than anticipated according to new measurements from a Cerenkov radiation detector in Mexico. The way…
3 years ago
Rogue Planets Galore and the Age of the Universe
Episode 328
We take a look at two extraordinary astronomical news items in this episode. A deep dive into an astronomical survey has discovered an Earth-sized ro…
3 years ago
Dark Stars and Water in Hot Places
Episode 327
The JWST has spotted water vapor in the hot inner region of a protoplanetary disk, the same region where rocky planets like are own are expected to f…
3 years ago
X-Rays from Mercury and a Different Kind of Gravitational Hole
Episode 326
We think of aurora as an atmospheric phenomenon, but what happens when high energy particles from the Sun directly impact a planetary surface? Mercur…
3 years, 1 month ago
The Rumble in the Universe
Episode 325
Nature has provided us with exquisitely accurate clocks in the form of pulsars, those rapidly rotating neutron stars whose beams of radiation act lik…
3 years, 1 month ago
All Things Dark: Matter, Energy, and More
Episode 324
Top quark has a field day in this episode with a model for fuzzy dark matter, new data that could shed light on dark energy, and a cool x-ray echo fr…
3 years, 2 months ago
Earth's Pebble Accretion and the Boring Billion
Episode 323
New analysis of radioisotopes of meteorites and the Earth suggest the Earth formed in only a few million years via a process called pebble accretion.…
3 years, 2 months ago
Supernovae Near and Far
Episode 322
There's a bright supernova in a nearby galaxy, and a very distant supernova made brighter by the beauty of gravitational lensing. In another galaxy, …
3 years, 2 months ago