Read a sample chapter from Time Coda: It is 2061 CE. Halley's Comet has struck Earth and begun a mass extinction. On the planet Mars, colonies have been established by various entities, countries, and privet corporations. Our sample chapter involves some of the exiles from Earth. 10 Meanwhile Back on Mars The Footsteps to Mars Project’s Mars colony is located in the vast, low-lying Martian plain called Hellas Planitia. Hellas Planitia in turn is located within the Hellas basin, one of the largest impact craters on Mars and probably the third or fourth largest in the Solar System. The crater has a diameter of roughly 1,400 miles, a depth of 23,465 feet, and an atmospheric pressure of between 0.09 and 0.18 psi (compared to Earth’s surface pressure of 14.7 psi), about 3 percent greater than most of the rest of the planet. There are three smaller craters in the eastern portion of the plain which contain glaciers of ancient ice buried deep beneath layers of dirt and rock These condit
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