Jason wished that he had done some more stellar observation before the ship had landed, but it was a little late for that now.
There he worked on James Bradley's stellar observations to produce precise positions for some 3,222 stars.
There were notes on chemical experiments, on stellar observations, weather observations, but what clearly intrigued him most was the far past.
There he made a considerable number of stellar observations between April 1832 and May 1833, including those for which he is remembered today.
It tends to be less precise than sensors based on stellar observation.
At first we just lifted them into space but Astronomy said too many were coming back as meteorites and ruining their stellar observation.
It was never settled, since the difficulties of traveling through a volume of space where stellar observations could not be made were too great.
We are now convinced that the Moties deceived us about their stellar observations, particularly regarding the protostar.
The doctor took a stellar observation, and discovered that he was in the latitude of Aghades.
The shade pivots to allow it to move out of the way for stellar observations.