Examlex
One of the advantages of charge-coupled devices over photographic plates is that a CCD can record bright and faint objects on the same exposure.
Contour Lines
Lines on a map that connect points of equal elevation, representing the shape and elevation of the terrain.
Topographic Map
A detailed map that represents the three-dimensional features of a place, such as mountains and valleys, using contour lines to denote elevation changes.
Contours
Lines on a map that connect points of equal elevation, used to represent the shape and elevation of terrain.
Shaded-Relief Map
A map of an area whose relief is made to appear three-dimensional by simulating the shading on mountains, valleys, and other features.
Q12: If you point toward the zenith right
Q28: Compared with the spectral lines in the
Q47: Typically, the new Moon's shadow _ a
Q80: Photons of blue light<br>A)have a greater energy
Q81: Why would parallaxes be easier to observe
Q83: Infrared space telescopes must have their mirror
Q123: Which law refers to a planet sweeping
Q125: The observed amount of difference between the
Q133: To observe a visual binary, we must
Q138: a) If you are on the near