Understanding the Martian Climate
Mars, often referred to as the Red Planet, has a thin atmosphere that is mostly carbon dioxide, with some nitrogen and argon. The atmosphere is too thin to retain heat, making the planet’s surface temperature fluctuate wildly between day and night. The average temperature on Mars is around -67°C (-89°F), which is much colder than Earth’s average temperature of about 15°C (59°F).
*Dust storms*: These massive storms can last for weeks or even months, covering the entire planet in a thick layer of dust. The dust reduces the amount of solar heat that reaches the surface, making the planet even colder.
*Atmospheric pressure*: The Martian atmosphere is too thin to support liquid water, which is essential for life as we know it. The pressure is also too low to retain heat, making the planet’s surface temperature fluctuate wildly.
*Solar radiation*: The amount of solar radiation that reaches Mars varies depending on the planet’s distance from the sun. When Mars is closer to the sun, it receives more solar radiation, which can warm the planet’s surface.
*Geological activity*: Mars has a geologically inactive surface, which means there is no tectonic activity or volcanic eruptions to release heat into the atmosphere.
The Role of Oceans in Shaping the Climate
Oceans play a crucial role in shaping the climate on Earth, and Mars is no exception.
This fact brief is responsive to quotes such as the one highlighted here. Go to full rebuttal on Skeptical Science or to the fact brief on Gigafact.
