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February 16, 2010 / Dave Gorham

Maybe It's a . . . Spaceship?

The text accompanying today’s “Picture of the Day” from NASA struck me as kind of funny. Astronauts on the International Space Station wrote that they weren’t sure what the black spot approaching from the distance was. “Of all the people,” I thought. “THEY should know exactly what was/is approaching!” Read it for yourself here.

Photo: NASA

Also quite interesting in the caption was the description of the visible (and colorful) layers of Earth’s atmosphere. As light passes through the gases of the atmosphere the various wavelengths are scattered into:
Dark Blue: Mesosphere
White: Stratosphere
Orange: Troposphere


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