A solar telescope would quickly incinerate your eyes, so how do astronomers save their eyes when looking at the Sun?
A) They look at the image very quickly.
B) They use heavy filters to block out light, particularly at specific wavelengths.
C) They project the telescope image onto a large screen or record the image with a camera.
D) They use a special water cooled camera system to avoid superheating the camera.
C
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Oceanic ridges are geologically stable features where only pelagic sedimentation takes
place. Indicate whether the statement is true or false.
Approximately what percent of lithosphere deformation occurs at plate boundaries?
A) 60% B) 70% C) 80% D) 90%
How does plate tectonics theory relate to world economics?
The Atacama Desert in western South America is created by ________.
A. cold ocean currents B. being a great distance from the ocean C. a rain show effect D. descending dry air