Newslink: Hubble Space Telescope Will Track Comet 46P/Wirtanen As It Flies Close by Earth
A comet is set to pass close to Earth this weekend, providing a treat for skywatchers — and for astronomers hoping to learn more about the building blocks of the early solar system.
https://www.space.com/42730-hubble-telescope-tracking-comet-46p-wirtanen-flyby.html