1. Silhouettes<br />Asteroids<br />Potential<br />Collision<br />Tsunami<br />Nuclear Winter<br />Over Land<br />Over sea <br />Devastating<br />Deflect<br />Course<br />Trajectory<br />Incinerate<br />Killer<br /> Reshape<br />Disrupter<br />Auction<br />Antique<br />Descend<br />Paths<br />Perched<br />Periodically<br />Principle<br />Majestic<br />Whirred<br />Thrive<br />Gale-force<br />Commitment<br />Prominent<br />Trespassing<br />