1.   Astronomers are very excited about a comet that will pass close to Earth later this month.

2.   Astronomers were still uncertain whether the Earth travelled around the Sun or vice-versa.

3.   Although nearly all astronomers are prepared to be disappointed, none would forgo the chance to detect something if it should happen.

4.   Although no planets have yet been discovered around other stars, astronomers are almost certain they must exist, and the evidence has been steadily growing.

5.   Around the world, astronomers were ecstatic.

6.   Astronomers are busy figuring out other ways of looking for planets.

7.   Astronomers are optimistic Hubble will probe deeper into the universe than ever before.

8.   Astronomers are in the early stages of planning a more powerful replacement for the orbiting Hubble telescope.

9.   Astronomers are particularly interested in improving their understanding of the life cycle of stars.

10.   Astronomers are particularly interested in the spectrum of infrared radiation the impacts may yield.