Heavy Climate

Earth’s gravity pictured in ‘HD’ By Jonathan Amos Science correspondent, BBC News, Bergen It is one of the most exquisite views we have ever had of the Earth. This colourful new map traces the subtle but all pervasive influence the pull of gravity has across the globe. Known as a geoid, it essentially defines where…

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Sea Ice News #11

“Steepest slope ever.” By Steven Goddard We have been hearing a lot about how the decline in Arctic ice is following the “steepest slope ever.” The point is largely meaningless, but we can have some fun with it. The Bremen Arctic/Antarctic maps are superimposed above, showing that ice in the Antarctic is at a record…

The New Space Junk Blame Game

Space junk, those bits and pieces dropped by astronauts, or resulting from explosion of upper stages, or collisions of satellites or ASAT tests, are a major safety hazard in Low Earth Orbit and are a growing issue in Geosynchronous Orbit, where we recently saw a “zombiesat” go on a wild murderous rampage (okay, it’s more…

SEPP on the PNAS blacklist paper

By Ken Haapala, Executive Vice President, Science and Environmental Policy Project (SEPP) This week was marked by a blowout that may have greater ramifications than the BP blowout in the Gulf of Mexico. The Proceedings of the National Academy of Sciences published a survey of literature entitled “Expert credibility in climate” by Anderegg, Prall, Harold…

The Beauty of a Near Spotless Sun

Amateur telescope photographer Thierry Legault has gained renown in recent years taking photographs of spacecraft in orbit… from the ground, with them either reflecting sunlight as they cross the terminator, or silhouetted by the moon, or in recent days, silhouetted by a near spotless sun. His most recent accomplishment is this solar silhouette of the…