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3/12/2007  Sun Blamed for Warming of Earth and Other Worlds
Earth is heating up lately, but so are Mars, Pluto and other worlds in our solar system, leading some scientists to speculate that a change in the sun’s activity is the common thread linking all these baking events. Others argue that such claims are misleading and create the false impression that rapid global warming, as Earth is experiencing, is a natural phenomenon. While evidence suggests fluctuations in solar activity can affect climate on Earth, and that it has done so in the past, the majority of climate scientists and astrophysicists agree that the sun is not to blame for the current and historically sudden uptick in global temperatures on Earth, which seems to be mostly a mess created by our own species. - “Man-made greenhouse warming has [made a] small contribution [to] the warming on Earth in recent years, but [it] cannot compete with the increase in solar irradiance,” Abdussamatov told LiveScience in an email interview last week. “The considerable heating and cooling on the Earth and on Mars always will be practically parallel."But Abdussamatov’s critics say the Red Planet’s recent thawing is more likely due to natural variations in the planet’s orbit and tilt. On Earth, these wobbles, known as Milankovitch cycles, are thought to contribute to the onset and disappearance ice ages. - “Global warming on Neptune's moon Triton as well as Jupiter and Pluto, and now Mars has some [scientists] scratching their heads over what could possibly be in common with the warming of all these planets ... Could there be something in common with all the planets in our solar system that might cause them all to warm at the same time?”
(Live Science)
posted: 5/6/09                   2       15
keywords: Benny Peiser, Charles Long, Climate Change, David Rind, Goddard Institute For Space Studies, Habibullo Abdussamatov, Intergovernmental Panel On Climate Change, Jeffrey Plaut, John Moores University, Jupiter, Mars, Maunder Minimum, Michael Mann, Milankovitch Cycles, National Aeronautics And Space Administration, Neptune, Pacific Northwest National Laboratories, Penn State University, Pluto, Pulkovo Astronomical Observatory, Russia, Sun, Triton Add New Keyword To Link

10/9/2002  Pluto is undergoing global warming, researchers find
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. The team, led by James Elliot, professor of planetary astronomy at MIT and director of MIT's Wallace Observatory, made this finding by watching the dimming of a star when Pluto passed in front of it Aug. 20. The team carried out observations using eight telescopes at Mauna Kea Observatory, Haleakala, Lick Observatory, Lowell Observatory and Palomar Observatory. Data were successfully recorded at all sites. An earlier attempt to observe an occultation of Pluto on July 19 in Chile was not highly successful. Observations were made from only two sites with small telescopes because the giant telescopes and other small telescopes involved lost out to bad weather or from being in the wrong location that day. These two occultations were the first to be successfully observed for Pluto since 1988.
(Massachusetts Institute of Technology)
posted: 11/28/10                   0       3
keywords: Alison Klesman, American Astronomical Society, Birmingham, Charon, Chile, Climate Change, Cornell University, David Osip, David Tholen, Earth, Edward Dunham, Erica Mcevoy, Germany, James Elliot, Jay Pasachoff, Joyance Meechai, Katie Carbonari, Kelly Clancy, Lowell Observatory, Marc Buie, Massachusetts Institute Of Technology, Michael Person, National Aeronautics And Space Administration, National Science Foundation, Neptune, Nitrogen, Pluto, Research Corporation, Shen Qu, Sun, Susan Kern, Triton, University Of Hawaii, Williams College Add New Keyword To Link

6/28/1998  Global Warming Detected on Triton
According to observations made by NASA's Hubble Space Telescope and several ground-based instruments, temperatures on Neptune's largest moon have increased dramatically since the Voyager space probe swung by in 1989.
(Science A Go Go)
posted: 5/19/09                   4       28

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