Echus Overlook was a city built in the 2030s inside one of the cliffs of Echus Chasma, formed by ancient aquifer outbreaks.
mars trilogy
Dorsa Brevia was a hidden settlement near the South pole of Mars and one of the most important cities of the Martian underground.
Dorsa Brevia was one of the natural cavities formed by ancient lava flows, which created channels that snaked through the terrain; the outer layer solidified and liquid lava flowed inside, leaving behind large and long empty tunnels. The dorsa ran in the North-South direction.
Deimos was one of the two natural satellites of Mars, the other being Phobos. Its name means "dread" in Greek.
In the preparations for the Second Martian Revolution, it was feared that it would be used as a weapons platform. A team led by Sax Russell and Peter Clayborne landed on it and placed automated diggers and attitude jets. The diggers expelled matter and thrust it away from Deimos. Due to mass loss, Deimos's orbit expanded until it left Mars's attraction entirely.
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Underhill was the first Martian city, built by the First Hundred upon their arrival.
The site was chosen prior to their arrival; equipment was sent on the site with three unmanned expeditions prior to the arrival of the Ares. The settlement got its name because of its underground location beneath a hill.
Zygote (and later Gamete) was the secret underground city that was the home of Hiroko Ai's group and a major city of the Martian underground.
City planning
Zygote was situated very near the south pole of Mars, inside a large natural cavity under the dry ice (solid carbon dioxide) of the polar cap. The dry ice was sprayed with water, which froze and formed a solid dome under which the settlement was protected and airtight.
Da Vinci began as a refuge for the terraforming team of Sax Russell in the years following his capture and leading up to the Second Martian Revolution, afterwards becoming an elite scientific co-op laboratory on the shore of Chryse Gulf.
Prelude to the Second Revolution
Burroughs was an important Martian city situated in a low point near Xanthe and Isidis Planitia.
Among the first Martian settlements to be founded, this tented city expanded very quickly until it became the biggest city on Mars and the planet's commercial and administrative capital. In 2057, it was the place where the negotiations for the renewal of the UN Mars Treaty took place. Burroughs lost its dominant position in Martian affairs after the space elevator opened in Sheffield, however it remained a very powerful city thereafter.
The Martians returns to the world of the Mars trilogy. It is a short story collection published in 1999. It consists of stories, poems, in-universe article excerpts, and even meta/autobiographical stories ("Purple Mars"). The stories do not necessarily take place in the same universe as the Mars trilogy, nor do all feature characters familiar to us from the trilogy.
Blue Mars is the third volume of the Mars trilogy. It was first published in 1996.
Of much greater scope in space and time compared to the first two volumes, Blue Mars follows the characters we have come to know and love as Mars achieves independence and social justice and is successfully turned into an Earth-like planet that sustains life.
Green Mars is the second volume of the Mars trilogy. It was first published in 1993.
After the failed revolution in Red Mars, the survivors gather in the Martian underground and plan for the day they will achieve independence from Earth. But the agendas of the numerous groups of the underground differ greatly.
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