TRANS-NEPTUNIAN COMET APPROACHES EARTH: In only a few days, newly-discovered Comet Iwamoto will split the orbits of Earth and Mars, making a relatively close approach to our planet visible through small telescopes. This is a rare visit. The comet comes from the realm of Extreme Trans-Neptunian Objects, a distant region of the solar system inhabited by strange objects such as "Sedna" and "the Goblin." Get the full story on Spaceweather.com.
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Above: This orbit diagram shows the comet making its close approach to Earth on Feb. 13, 2019.
