A pair of satellites astronomers hope can create an artificial eclipse were launched from a site in India last week. Beginning in 2025, each satellite will cause a periodic eclipse that lasts for six hours, much longer than the few minutes caused by natural eclipses.
In addition to conducting this experimental maneuver, the so-called ESA’s Proba-3 mission will observe a slice of the Sun’s ethereal corona difficult to perceive from Earth....
Originally posted on salon.com