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The Star Spot

The Star Spot, with Justin Trottier, is a space themed podcast and radio show focusing on all aspects of astronomy and space exploration. Episodes feature timely news along with fascinating interviews with guests of wide-ranging background: scientists, engineers, artists, politicians, and entrepreneurs. Topics are broad, from the latest space mission to how the universe began to why humans explore.

Apr 6, 2015

Feature Guest: David Brain

When our solar system was young, newborn Earth and Mars were like siblings, similar in climate, water composition and atmosphere. But it turns out 4.5 billion years can change things between two planets.

Today I’m joined at The Star Spot by Professor David Brain to help us understand how Mars ended up so different from Earth, where the Red Planet is headed and what all this means for our search for life.  

Current in Space

A 345 year old mysterious stellar event could finally be solved, Anuj explains. Then Dave describes the influential role played by Jupiter when a time long ago Earth survived an attack from the giant.

About Our Guest

Professor David Brain is Assistant Professor at the University of Colorado Boulder in the Laboratory for Atmospheric and Space Physics at the Department of Astrophysical and Planetary Sciences. He is co-investigator for the Mars Atmosphere and Volatile Evolution (MAVEN) mission science team. Scientists hope MAVEN, which arrived at the Red Planet September 2014, will explain where all the Martian atmosphere has gone.