ESA’s Proba-3 is planning on creating an artificial eclipse to study the sun’s corona. The two halves of the solar probe recently achieved “millimetre precision” while flying autonomously in formation for several hours 50,000 km above the Earth.
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Comments 2
Not sure where you got "50km above" but it's wrong. The actual observation will be at apogee, about 60,000km away. Fascinating thing otherwise.
*sigh* That was a combination of a typo and a link to the wrong article. This is what I mean to link to and should be updated in the post. Thanks for catching it.
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