These observations determine his speech, dinner, physical approach to them.

In the late 90's, observations of supernova determined that not only is the universe expanding, it is expanding at an increasing rate.

Repeatable observations and measurements determine what is properly termed science.

And yet all the while certain, and as it were, involuntary observations determined my convictions.

However, this calendar was very difficult to compute; it required full ephemeris computations and actual observations to determine the apparent movement of the Sun.

In Iran a special committee receives observations of every new moon to determine the beginning of each month.

First-hand observation determines the truth or falsity of a given statement.

Subsequent observations of Pluto determined that the bulge was due to a smaller accompanying body.

Previous observations have determined that seven main rings and many separate ringlets make up the disk circling Saturn.

"Yes, I want to make some observations to determine our exact nautical position."