Geller is known for observational and theoretical work in cosmology and extragalactic astronomy.

It was the year 1862, and the scientific world in England determined once again on attempting observational work in connection with balloons.

"I have often found the need to balance my observational work with completely abstract work, developing it along side."

Finally, it is intended to carry out some observational work at a selected site in the system, possibly courts, and interview key participants.

Herschel's early observational work soon focused on the search for pairs of stars that were very close together visually.

Dunlop's other major observational work was of 256 southern double stars or "pairs" below the declination of about 30 South.

The landscaped area will be used by the department for observational work and the displaying of 3D pieces.

The focus of his observational work is at infrared and submillimeter wavelengths.

I have had several of my astronomers doing observational work in connection with the paper ever since I realized its significance.

Milisavljevic specializes in observational work in supernovae and supernova remnants.