device articles
What is the literal meaning of the term "astrolabe" derived from the Greek words *astron* and *lambanō*?
Which component of the astrolabe is described as the openwork framework placed over the plates that carries pointers indicating star positions?
What fundamental measurement did the astrolabe primarily utilize the alidade to determine relative to the observer?
What specific item needed to be swapped out when moving an astrolabe from London to Cairo to maintain calculation accuracy?
How does the core operation of the astrolabe fundamentally differ from the function of a modern optical telescope?
What is the name given to the main body or circular shell of the astrolabe that houses the internal components?
In what historical era was the recognizable, perfected form of the astrolabe widely disseminated across the world?
What sophisticated field of mathematics provided the foundation for the astrolabe's calculations regarding celestial mechanics and coordinate conversion?
Which specific navigational instrument, often a simplified version of the planispheric astrolabe, was crucial for determining latitude during ocean voyages?
The astrolabe is described as a physical manifestation of complex mathematical relationships rendered in what portable, heavy metal material?
What replaces the eyepiece for higher-quality imaging in amateur telescopes?
Which feature do space-based observatories like the Hubble Space Telescope bypass?
What advantage does a small sensor orbiting Mars have over the largest Earth-bound scopes?
What characteristic defines a Flyby mission like Mariner or Voyager during data acquisition?
What specialized devices do Orbiters carry for sustained, long-term survey of a planet's globe?
What crucial device on a lander determines elemental makeup by heating samples?
What advanced instrument often found on mobile laboratories like rovers determines elemental composition precisely?
Which remote sensing technology uses laser pulses to create precise three-dimensional topographic maps?
What measurement do specialized Mass Spectrometers provide when chemically breaking down a sample?
Why must onboard devices manage power distribution without real-time input from Earth controllers?