Science Background
Mars is similar to Earth in many ways, having many of the same "systems" that characterize our planet, such as an atmosphere, a hydrosphere, a cryosphere and a lithosphere. In other words, Mars has systems of air, water, ice, and geology that all interact to produce the a Martian environment which might have been able to sustain life about a billion years after its formation and –in certain areas- maybe still as of today. more… Science & TechnologyPartners



