The term 'scintillate' has a few senses or meanings: 1: reflect brightly; 2: be lively or brilliant or exhibit virtuosity; 3: physics: fluoresce momentarily when struck by a charged particle or...
Scintillate is a verb which means sparkle and flash brightly; to give off or reflect light in sparks or flashes; be clever or witty; to be very lively, exciting, and entertaining, especially by...
No. Most asteroids in the solar system are in the asteroid belt, but not all. The ones that may threaten to strike earth, for example, are outside the asteroid belt.