Eight thousand years of telescope observations and two botched fly-throughs, that's all the wonder rated.
Auzout made contributions in telescope observations, including perfecting the use of the micrometer.
Meridiani Sinus, according to his telescope observations, has been crisscrossed with roads or trails.
Something else to consider is that the image you see comes from our telescope observations.
In telescope observations, a quasar's blinding light invariably obscured its surroundings.
Ground-based telescope observations of Mercury reveal only an illuminated partial disk with limited detail.
(This cleft is a challenging target for telescope observation from the Earth.)
The project started in 1995, and with telescope observations starting in 2000 for the scientific study of active galactic nuclei.
Star trail photographs can be used by astronomers to determine the quality of a location for telescope observations.
This suggested that the meteor flux in space was much higher than the number based on telescope observations.
