vernier
vur nee er
- n French mathematician who described the vernier scale (1580-1637)
- n a small movable scale that slides along a main scale; the small scale is calibrated to indicate fractional divisions of the main scale
- They were, Small vernier rockets near each of the craft's three legs fired to stabilize the spacecraft in a base-down attitude.
- The final push came from eight small vernier rockets fired by radio command from Cape Canaveral to adjust the speed.
- First they fired Surveyor's vernier engines for 33 seconds to consume more fuel and reduce the craft's landing weight.