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Abdussamatov's work, however, has not been well received by other climate scientists.
"His views are completely at odds with the mainstream scientific opinion," said Colin Wilson, a planetary physicist at England's Oxford University.
"And they contradict the extensive evidence presented in the most recent IPCC [Intergovernmental Panel on Climate Change] report."
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.
Its authors, led by Lori Fenton, a planetary scientist at NASA, describe the phenomenon as a "positive feedback" system -- in other words, a vicious circle, in which changes in albedo strengthen the winds which in turn kicks up more dust, in turn adding to the warming.
BIRMINGHAM, Ala.--Pluto is undergoing global warming, as evidenced by a three-fold increase in the planet's atmospheric pressure during the past 14 years, a team of astronomers from Massachusetts Institute of Technology (MIT), Williams College, the University of Hawaii, Lowell Observatory and Cornell University announced in a press conference today at the annual meeting of the American Astronomical Society's (AAS) Division for Planetary Sciences in Birmingham, AL.
David Tholen, an astronomer at the University of Hawaii who measured the size of Pluto in the late 1980s using a series of occultations and eclipses involving Pluto's satellite, noted that even though Pluto was closest to the sun in 1989, a warming trend 13 years later shouldn't be unexpected. "It takes time for materials to warm up and cool off, which is why the hottest part of the day on Earth is usually around 2 or 3 p.m. rather than local noon, when sunlight is the most intense," Tholen said. Because Pluto's year is equal to about 250 Earth years, 13 years after Pluto's closest approach to the Sun is like 1:15 p.m. on Earth. "This warming trend on Pluto could easily last for another 13 years," Tholen estimated.
NASA is still deciding whether to send a spacecraft to Pluto, the only planet not yet observed at close range.
Its not about the date , its about putting all the pieces together and see whats going on.