Definitions from the Web
Transit Instrument
Description:
A transit instrument is a telescope that is mounted in such a way that it can only move in a vertical plane. It is primarily used to measure the precise time when celestial objects cross a particular meridian.
Sample Sentences:
- The transit instrument is an essential tool for astronomers to determine the local sidereal time.
- By observing a star's transit using the instrument, scientists can accurately calculate their longitude.
- Historically, transit instruments played a crucial role in mapping the heavens and improving astronomical measurements.
Related Products on Amazon:
|