What Asteroid 2004 BL86 and Hawaii Have in Common
Toes of a pahoehoe flow of basaltic lava advance across a road in Kalapana from the Kilauea Volcano in Hawaii (left). Meanwhile scientists have just determined that the main body of visiting binary asteroid 2004 BL86 is composed of similar material. Credit: U.S. Geological Survey (left) and NASA/JPL-Caltech
At first glance, you wouldn’t think Hawaii has any connection at all with asteroid 2004 BL86, the one that missed Earth by 750,000 miles (1.2 million km) just 3 days ago. One’s a tropical paradise with nightly pig roasts, beaches and shave ice; the other an uninhabitable ball of bare rock untouched by floral print swimsuits.
But Planetary Science Institute researchers Vishnu Reddy and Driss Takir would beg to differ. (…)
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