Scientifically he is on the verge of making a major astronomical discovery.

Geoff Watts looks back on great astronomical discoveries and future space exploration.

I am pleas'd with the late astronomical discoveries made by our Society.

Using this telescope, he made his early brilliant astronomical discoveries.

It observed successfully until January 1973, and contributed to many significant astronomical discoveries.

A1 A possible astronomical discovery was reported by American astronomers.

He was the first Indian in modern history to make a significant astronomical discovery.

Aren't you the man who stole the decade's most important astronomical discovery from a woman graduate student?

A number of other notable astronomical discoveries occurred at the observatory through the years.

A little before the death of these hardy investigators, two singular astronomical discoveries were made.