1.   A geologist in Hungary believes a nearby exploding star was the cause of this catastrophe and claims to have found debris from the culprit supernova.

2.   A spectrograph breaks down light into parallel rays, each one characteristic of chemical elements that are ejected from the exploding star.

3.   According to present theories, the presolar grains form from chemical isotopes ejected by exploding stars and red giant stars.

4.   By analyzing light from exploding stars, they have discovered that the universe is expanding faster with time, like an accelerating race car.

5.   Earlier this year, measurements of distant exploding stars clocked the expansion of the universe and found that it seemed to be speeding up, contrary to most assumptions.

6.   Five such curiously powerful exploding stars have been studied in the last two years.

7.   For example, the oxygen and iron that course through your bloodstream were born in an exploding star.

8.   He did that in proposing a possible solution to the longstanding mystery of the ultimate fate of energy from exploding stars, or supernovas.

9.   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.

10.   It might not have begun with an exploding star after all.