|Mercury as photographed by the Mariner 10 Space Probe|
Scorched by their proximity to the sun, Mercury and Venus are hostile worlds; one gouged with craters from cosmic collisions and the other a vortex of sulphur, carbon dioxide and acid rain.
|Venus as photographed by the Mariner 10 Space Probe|
Prime examples of planets gone awry, do they serve as a warning for ominous scenarios that might someday threaten Earth?
The Universe is available on DVD from Amazon.com and the History Channel’s online store.
The Universe: Mercury and Venus
The Universe S01 E07 - Mercury & Venus The... by kaanozten