Ep. 257: Viking Orbiters

Podcast: Play in new window | Download (0.0KB) Spirit, Opportunity and Curiosity get all the news now, but it was NASA’s Viking Missions that gave us our first close up view of the surface of Mars. These twin missions, both made of orbiter and lander set the stage for the exploration of Mars,...

Ep. 221: Geomorphology

Podcast: Play in new window | Download (0.0KB) When we look around our planet, we see a huge variety in landforms: mountains, valleys, plateaus, and more. Continents rise and fall over the eons, providing geologists with a history of the planet’s evolution. The study of these changes is known as...

Ep. 142: Plate Tectonics

Podcast: Play in new window | Download (0.0KB) The surface of the Earth feels solid under your feet, but you’re actually standing on a plate of the Earth’s crust. And that plate is slowly shifting across the surface of the Earth. Over geologic timescales, plate tectonics has totally...

Ep. 141: Volcanoes, Hot and Cold

Podcast: Play in new window | Download (0.0KB) You’re familiar with volcanoes, eruptive vents where hot magma escapes the Earth’s interior – sometimes with disastrous effects. But did you know that volcanoes have shaped many of the planets and moons in the Solar System, not just our...