The brightening of the nighttime sky caused by artificial lights
What is light pollution?
The full moon is about 9 times brighter than this moon
What is the first quarter moon?
Vision to use when looking at faint objects, not looking directly at them
What is averted vision?
Very light-colored streaks which radiate from some moon craters
What are ejecta?
Best technique to use for finding deep sky objects
What is star hopping?
The temperature of the clearest nights
What are the coldest nights?
Large dark regions on the moon
What are Maria?
The dividing arc between day and night on the moon
What is the terminator?
To prevent "bad seeing" this equilibrium should be reached first within the telescope
What is thermal equilibrium?
This drastically reduces the amount of heat the corrector plate can radiate to space
What is a dew shield?
This makes the moon appear larger when it is near the horizon
What is the moon illusion?
This magnification is recommended for viewing of almost all telescopic objects
What is the lowest magnification?
The process of aligning the mirrors of a reflecting telescope
What is collimation?
This color laser pointer is useful for pointing out celestial objects to other people
What is green?
This magnification results in a a blurrier and smaller object
What is higher magnification?