Parsing Polar Bears With Polar Orbiting Satellites

Here’s a method of counting polar bears that’s probably safer than knocking on their doors.  According to this US Geological Survey (USGS) post, satellites may be quite useful for counting, tracking, and observing polar bears.  The USGS and Canadians are comparing aerial survey pictures against the satellite pictures. They are using imagery taken by DigitalGlobe satellites of parts of […]

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Pictures of a Decaying Satellite

The United States Geological Survey (USGS) and National Aeronautics and Space Administration (NASA) -run Landsat 8 Low Earth Orbiting (LEO) imagery satellite’s primary job is to take pictures of the Earth.  But occasionally, like teenagers with new camera phones, Landsat 8 feels compelled to take pictures of other satellites.  Really—you can see the evidence here […]

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United Nations has a space fleet?

Did you know the United Nations (UN)  has a space fleet ready for disasters?  The UN doesn’t really run the constellation, but there’s a signed charter, the International Charter on Space and Major Disasters, which has about 23 members involved with it.  Some United States organizations are members, such as DigitalGlobe (hence Tomnod), National Oceanic and […]

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