1.   Triangulations on distant hills were attempted, weather records kept, and there was an astronomical observatory.

2.   Both the International Astronomical Union and the American Astronomical Society have denounced the project as likely to cause major problems for astronomical observatories.

3.   Built as an astronomical observatory, people still often ascend it to watch the sunset.

4.   Now it has a serious astronomical observatory.

5.   Other items as diverse as Arizona-based commercial airliners, astronomical observatories and animal and poultry feed also get special exemptions from property taxation.

6.   Residents might operate astronomical observatories and mine a form of helium that could fuel fusion-power generators on Earth.

7.   That was the year Princeton recruited Spitzer from Yale University and appointed him professor of astronomy, chairman of the department and director of its astronomical observatory.

8.   Months after the discovery of Comet Hyakutake, he was made the head of a municipal astronomical observatory in the town of Aira near his home.