Gale Crater Set For Summer Heat Wave?


Preliminary weather reports from the Curiosity’s Remote Environment Monitoring Station (REMS) are showing some surprisingly mild temperatures during the day. Average daytime air temperatures have reached a peak of 6 degrees Celsius at 2pm local time. A Martian day – known as a Sol – is slightly longer than Earths at 24 hours and 39 minutes. Temperatures have risen above freezing during the day for more than half of the Martian Sols since REMS started recording data. Because Mars’s atmosphere is much thinner than Earth’s and its surface much drier, the effects of solar heating are much more pronounced. At night the air temperatures sink drastically, reaching a minimum of -70 degrees just before dawn.

“That we are seeing temperatures this warm already during the day is a surprise and very interesting,” says Dr Felipe Gómez of the Centro de Astrobiología in Madrid. “It’s very early days and we are only now being able to test our models against REMS observations. If this warm trend carries on into summer, we might even be able to foresee temperatures in the 20s – and that would be really exciting from a habitability point of view. In the daytimes, we could see temperatures high enough for liquid water on a regular basis. But it’s too soon to tell whether that will happen or whether these warm temperatures are just a blip.”

Full Story: http://www.europlanet-eu.org/outreach/index.php?option=com_content&task=view&id=392&Itemid=41

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