How could water be produced on Mars?
How can scientists know if there is water on Mars?
How does the chemical composition of planet Mars compare to that of the Earth? What made scientists search for tectonic plates in Mars? What is likeliness of colonizing Mars, compared to the moon, or under the ocean? How were tectonic plates discovered in Mars? What are some characteristics of the structural composition of planet Mars? Is there gravity in mars? How do Mars and Earth compare chemically? What would be the gravity in Mars? Could we create rivers on Mars by detonating many nuclear weapons and melting the hidden ice under its surface? When can humans colonize mars? How was all the perchlorate on Mars formed? Do we have the technology to colonize Mars? What is gravity on Mars? How plausible is the science in The Martian? When can human possibly go and land on Mars? Will it be possible to grow vegetation on mars as they have depicted in the movie Martian ? How would colonization of Mars work? Is colonization on Mars true? What is the gravitational field strength on Mars and how was it measured? What kind of evidence has been found on Mars that would suggest the existence of extraterrestrial life? How is the atmosphere of Mars different from that of Earth? Why is it so hard to detect "life" on Mars? Is Mars in the Goldilocks zone? It there a moon in Mars? What would happen if we deposit life on Mars with all the adequate resources for it? Will it adapt/evolve to survive the climate of Mars? What would happen if we deposit life on Mars with all the adequate resources for it? How is life in mars? What are the two moons of Mars? What challenges will humans face on Mars? How practical is Elon Musk's idea of colonizing Mars?