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1960′s satellite imagery of polar ice discovers “enormous holes” in the sea ice

NSIDC has announced the discovery and recovery of space footage of Earth’s polar icecaps, dating back to 1964. The recovered photographs have yielded some startling surprises, according to David Gallaher, technical services manager at NSIDC, bold mine: In the Arctic, sea ice extent was larger in the 1960s than it is these days, on average.…

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OCO: I can see your house emitting CO2 from here

From NASA JPL and the department of future CO2 emissions ticketing: OCO-2 Data to Lead Scientists Forward into the Past NASA’s Orbiting Carbon Observatory-2, which launched on July 2, will soon be providing about 100,000 high-quality measurements each day of carbon dioxide concentrations from around the globe. Atmospheric scientists are excited about that. But to…

ISEE-3 Update: Trajectory Correction Maneuver

Dennis Wingo writes: As many of you know, last week we fired the thrusters on ISEE-3 to do a spin-up burn. Before the burn (actually 11 pulses on the spacecraft’s hydrazine thrusters) the spin rate of ISEE-3 was 19.16 rpm. After spin-up burn it was 19.76 rpm. The original mission specifications for ISEE-3 called for…

Update on the ‘zombie’ ISEE-3 spacecraft

Watching my local news last night, I noted an interview with Dennis Wingo that was labeled Zombie Spacecraft Rescue Planned by Private Group. It seemed an apropos title so I’m going with it – Anthony ISEE-3 Reboot Update, Ranging The Spacecraft Guest essay by Dennis Wingo Folks It has been a bit since my last update.  Tomorrow I…