Um. Global Warming Goes System-Wide!
Curse those carbon-dioxide emissions.
Temperatures on Mars have increased slightly over a 20-year period dueTwo bonus points to our intrepid journalist for working the phrase "bright, shiny" into a scientific article.
to the action of Martian winds, scientists have found.
New research has shown that dusty tornadoes called dust devils and gusty winds have helped the surface of Mars become darker, allowing it to absorb more of the sun's rays.
Lori Fenton at the NASA Ames Research Center in Moffett Field, California, and colleagues used a computer model to study the effect that winds have had on Mars's climate.
During the 1970s Mars experienced several large wind storms that stirred up bright, shiny dust particles and redistributed them around the planet, the team explained.
In the 1980s and 1990s smaller-scale processes like dust devils tidied up the planet, the researchers said, pushing the bright dust aside to expose the darker rocks below.
In general, the headline (as usual) doesn't directly address the main core of the news, which seems to say that (a) computer models (b) show that the climate on Mars changes over time.
My question is, what can Martian climate changes — and climate changes on Venus and other planets — tell us about the way Earth's climate fluctuates?



Comments