1.   Astronomers say that many of the medicine wheels on the Great Plains are aligned to the summer solstice.

2.   Astronomers say that over the next few weeks the comet will be coming into view.

3.   Astronomers say the comet will look like a fuzzy blob in the southwestern sky.

4.   Although Earth-size planets could exist in the Upsilon Andromedae system, astronomers said, they would be undetectable with current search methods.

5.   And it is not inconceivable, astronomers say, that somewhere between the Jupiter-class planet and its star orbits an Earthlike planet.

6.   And with a new generation of gamma ray observatories coming into operation now, astronomers say that the party is just beginning.

7.   Another intriguing aspect of the jets is their wiggle, which astronomers said indicated that the gaseous fountains feeding the jets must change position and direction.

8.   And with the help of a new generation of gamma ray observatories, astronomers say the party is just beginning.

9.   Astronomers also said the findings could provide new insights into how dark matter affects galaxy formation.

10.   Astronomers said that influence will amount to just about zip, however.