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What instrument used for calculating longitude at sea?
Historically, latitude was always measured with the sextant, and longitude with the chronograph (clock). Nowadays, it's all GPS. ------------------- The "sextant", from the latin word for "six", is one-sixth of a circle, and is the primary tool used in celestial navigation. However, before the sextant came into widespread use, the "quadrant" of a quarter-circle and the later "octant", an eighth of a circle, were used.
How astronomy is related to technology?
All of the observational tools needed by astronomers: astrolabes, quadrant, clocks, sextants, octant, spectrographs, polarimeters, telescopes, optical mount, radio telescopes, space telescopes, etc. are products of various technologies.
Who discovered the sextant?
The sextant was developed in the 18th century, building on earlier navigational instruments. While no single person is credited with its invention, important contributions were made by John Hadley and Thomas Godfrey, who independently created the reflecting octant in the 1730s, which laid the groundwork for the sextant. The sextant itself was later refined and became a crucial tool for navigation at sea.
What constellation can you see from Rutland MA?
From Rutland, Massachusetts, you should be able to see various constellations throughout the year, including popular ones like Orion, Ursa Major (home to the Big Dipper), and Cassiopeia. The visibility of constellations will depend on factors like light pollution and time of year.
Explain Octree method for hidden surface removal?
The octree method for hidden surface removal involves dividing the 3D space into smaller and smaller octants. Each octant is further divided until a certain criteria is met (e.g., maximum depth or minimum size). This hierarchical structure helps identify and remove hidden surfaces by checking which octants are completely hidden by others. The octree method is efficient for accelerating rendering in complex 3D scenes.
Who invented the octant?
The octant was invented by British mathematician and astronomer John Hadley in 1730. Hadley's octant was a navigation instrument used to measure the altitude of celestial bodies, helping sailors to determine their position at sea.
What is octant?
One eighth of a circle.
What year was the octant built in?
Isaac Newton invented the reflecting octant in 1699.
How many degrees in an octant?
There are 45 degrees in an octant because an octant is 1 eighth of a circle, and a circle is 360 degrees, and 45 degrees is one eighth of 360.
What fraction of a circle is an octant?
An octant is 1 eighth of a circle because it is 45 degrees
What is half a octant?
Quadrant
What is half of a quadrant?
Octant
What is an octant?
One eighth of a circle.
What is half of a quadrant called?
Octant
How many degrees are there in an octant?
There is 45 degrees in an octant. This is equivalent to one eighth of a circle. Since a circle has 360 degrees you would divide this number by 8.
Words that begin with octa?
October Octagon Octave Octant
What is one eighth of a circle called?
A slice (Pie) Octant
