The Cosmos is very much part of life on Earth. Historian Dagomar Degroot joins this week’s Planetary Radio to explore how shifting solar cycles, volcanic eruptions on Venus, Martian dust storms, and even mistaken sightings of lunar forests…

The Cosmos is very much part of life on Earth. Historian Dagomar Degroot joins this week’s Planetary Radio to explore how shifting solar cycles, volcanic eruptions on Venus, Martian dust storms, and even mistaken sightings of lunar forests…