Don’t blink when you play the video below — it’s only 15 seconds long, but it’s so cool. It’s an animation composed of Viking 1 Orbiter images. It shows a dust storm over the spot on Mars where its lander was sitting. And, as you watch, you can see the shadow cast by Phobos shooting across the clouds. I don’t know how Daniel Macha?ek spotted this in 33-year-old data. Hats off to him! On September 28, 1977, Viking Orbiter 1 ….
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