The asteroid and the dinosaur / 
WGBH, Boston ; written, produced and directed by Robin Bates. 
 - 1 videocassette (57 min.) :  sound, color ;  1/2 in. 
 -  polyester  1/2 in. 
<br/><br/> Originally broadcast on the television program Nova.  VHS SP mode. 
<br/><br/>Cinematographer, Peter Hoving ; narrator, Bill Mason.  Cinematographer, Peter Hoving ; narrator, Bill Mason. 
<br/><br/> Examines the theory that a large asteroid colliding with the Earth created climate changes which disrupted the dinosaurs' food chain and lead to their ultimate disappearance. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Asteroids.<br/>Natural disasters.<br/>Dinosaurs.<br/>Asteroids.<br/>Natural disasters.<br/>Dinosaurs.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Solar system.