11.   It will examine X-rays, which are produced by the most violent processes in the universe, including exploding stars, quasars and black holes.

12.   Most days, he said, he spends about four hours studying the nature of the exploding stars, which are known as supernovas.

13.   Neutrinos originate in the Sun and in exploding stars, or supernovas, but they seldom interact with other matter and so were once thought to be undetectable.

14.   Now Perlmutter has proposed a satellite that would observe thousands of exploding stars a year to make even more stringent tests of the original findings.

15.   One is majestic, terrible in its bright furies of exploding stars and galaxies, abstract and far away.

16.   Or was it an exploding star or an unusual conjunction of planets?

17.   Out of these microscale laser bursts, astronomers hope to learn about everything from planets and exploding stars to star-gobbling black holes.

18.   Ryutov developed the concept and equations for scaled tests of an exploding star, or supernova, in the laboratory.

19.   Specifically, it is intended to help explain the role of black holes, quasars, exploding stars and galactic collisions.

20.   The astronomers used the Cerro Tololo Inter-American Observatory in Chile to measure the expanding atmospheres of five huge exploding stars, or supernovas.