Question

Instrument used to measure angle of cosmic body from horizon

Answer 1

Answer:

Explanation:

The shades are to use when the object being looked at is bright - such as the sun. "The ancient Greeks learned to make precise instruments, crowned by the ingenious astrolabe. This hand-held device had a moveable arm to measure the angle of a bright star above the horizon — the star's "altitude."

Answer 2

Explanation:

The shades are to use when the object being looked at is bright - such as the sun. "The ancient Greeks learned to make precise instruments, crowned by the ingenious astrolabe. This hand-held device had a moveable arm to measure the angle of a bright star above the horizon — the star's "altitude."