Previous Quiz Questions Flashcards
he Astrolabe ________________________.
measured the angle between the horizon and a celestial body
The Nocturnal ________________________________.
was used to measure time.
The sextant ____________________________________.
is used to accurately determine latitude.
. True/False: Longitude was measured accurately before latitude.
False
The _______________ was a reward offered by the British government for a simple and practical method for the precise determination of a ship’s longitude.
Longitude Prize
As discussed in class, concerning celestial navigation, an accurate time piece is critically important to _____________________.
determine longitude
As discussed in class, which of the following statement(s) is/are correct?
The huge challenge in determining your longitude is knowing the precise time.
. Identify the single, most significant, historical event that kicked off the moon race.
A visionary speed by President John F. Kennedy
What was the focus of the first contract awarded for the Apollo moon program?
The navigation system
Who won this first contract?
Massachusetts Institute of Technology (MIT)
Who invented the first inertial navigation device?
Dr. Draper
What year was the INS first successfully demonstrated on a cross country flight?
1953
How does the INS work?
Spinning gyros
acceleration detection instruments
How would you rate the success of the first demonstration flight from Boston to California?
The INS successfully navigated to a geographic point using only the INS—without the use of any external landmarks.
Why did Dr. Draper manipulate the clock located on the wall of laboratory?
To accelerate time and enjoy some alcoholic drinks
Who consulted with MIT to increase the precision of the internal navigation unit?
A precision watch company
WALTHAM
. How did MIT determine if a computer chip was flawed (and hence unacceptable for use)?
They weighed the chip on a scale
The Apollo moon program consumed approximately ______ percent of the silicon computer chips manufactured in the United States.
60
How would you characterize the maturity of “software” during the 1960’s?
There was no software. The software engineers were literally making it up. as they went along
What is the meaning of the phrase “Little Old Lady” (LOL)?
The employees who took strands of wire to create computer memory were often females.
How did the software engineers successfully manage the large number of difficult tasks needed to be accomplished by the on-board computer?
They created a methodology of prioritizing critical tasks
What was the memory capacity of the Apollo on-board computer?
72 kilobytes
Was the inertial navigation computer considered the primary or the backup method for navigating to the moon?
Back up
The navigation computer flew for the first time on Apollo 7. How would you rate the success of INS?
Complete success