1.   Astronomers call these nearly dead stars red giants because of their color and size.

2.   Astronomers call thied vision, he said.

3.   Astronomers call this averted vision, he said.

4.   Because of this gradual feeding of matter to the star, astronomers call these gaseous Frisbees accretion disks.

5.   A week later, we see half a moon, what astronomers call the first quarter moon.

6.   In often dazzling bursts, the meteors lit the night sky in what many astronomers are already calling the most impressive Leonid shower in more than three decades.

7.   In the last year, Puckett has concentrated his efforts on sweeping the night sky for the first signs of the exploding stars astronomers call supernovas.

8.   People in the Northern Hemisphere are delighting in its subtle beauty, and astronomers have called it one of the greatest comets of all time.

9.   So if a Tunguska-size object were seen heading toward Earth and might be aiming toward a population center, who would the astronomers call?

10.   Some excited astronomers were already calling this perhaps the most important scientific discovery to be made by a space shuttle mission.