We are not the only ones on Earth having "Global Warming"… but even those small green beings on Mars are having their own "Global" Warming to deal with!! So, can we now have a joint conference and share some of the best practices on how to deal with it? But then again.. those green men did not handle it better the first time around.. otherwise Mars would have been…. well… a bit GREENER!!
Global warming could be heating Mars four times faster than Earth due to a mutually reinforcing interplay of wind-swept dust and changes in reflected heat from the Sun, according to a study released Wednesday.
Scientists have long observed a correlation on Mars between its fluctuating temperatures — which range from -87 C to – 5 C (-125 F to 23 F) depending on the season and the location — and the darkening or lightening of swathes of the planet’s surface.
The explanation is in the dirt.
Glistening Martian dust lying on the ground reflects the Sun’s light — and its heat — back into space, a phenomenon called albedo.
But when this reddish dust is churned up by violent winds, the storm-ravaged surface loses its reflective qualities and more of the Sun’s heat is absorbed into the atmosphere, causing temperatures to rise.
The study, published on Thursday by the British journal Nature, shows for the first time that these variations not only result from the storms but help cause them too.
It also suggests that short-term climate change is currently occurring on Mars and at a much faster rate than on Earth.
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