Original: It is believed to be larger than the impactor that created Chicxulub Crater in the Yucatán , which has been linked to the extinction of the dinosaurs .
Simplified: Scholl , Hans and Lutz D. Schmadel , '' Discovery Circumstances of the First Near-Earth Asteroid (/O433/O) Eros '' , Beiträge zur Astronomiegeschichte , vol .