Telescopes Worldwide Collaborate to Observe Asteroid Florence During its Recent Close Approach to Earth

One of the largest near-Earth asteroids, 3122 Florence, passed by our planet on September 1, 2017 at about 18 times the distance to the Moon. A concerted observational campaign has led to many new insights, including the discovery of two moons orbiting Florence and new information on the physical properties of Florence itself.

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