1 min listen
Solar System Likely Once Had Another Gas-Giant Planet
From60-Second Space
ratings:
Length:
1 minute
Released:
Sep 19, 2011
Format:
Podcast episode
Description
To evolve into our current solar system, the original version probably had a fifth gas giant, computer simulations indicate. John Matson reports
Released:
Sep 19, 2011
Format:
Podcast episode
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