Por un escritor de hombre misterioso
This map shows the frequency of carbon dioxide frost's presence at sunrise on Mars, as a percentage of days year-round.
Mars Used To Look More White Than Red
NASA's MAVEN Mission Investigates Mars' Atmosphere
Frozen death looms for Phoenix Mars Lander
Exploring Mars: Insights Into the Red Planet
Atmosphere of Mars - Wikipedia
Dry Ice on Mars - NASA Science
Mars' atmosphere: Facts about the composition and climate
Glaciers on Mars
Science at Sunrise: Solving the Mystery of Frost Hiding on Mars
New Study Helps Answer Mystery of What Happened to Mars' Early Atmosphere - AmericaSpace
Atmosphere of Mars - Wikipedia
We might grow plants on Mars by warming the ice caps with “frozen smoke”
Types of Glaciers on Mars
Martian polar ice caps - Wikipedia
Space Glaciers: Carbon Dioxide Ice Forms Glaciers on Mars – State of the Planet