It came in at speeds that were tremendous, slammed into the ground, blew up, and exploded with the energy of roughly a 20-megaton nuclear bomb -- a very hefty bomb.
Přiletělo ohromnou rychlostí, narazilo do země, vybuchlo a explodovalo s energií zhruba dvacetimegatunové jaderné bomby - tedy velice silné bomby.