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psychical science
| Question | Answer |
|---|---|
| scale | API gravity is thus an inverse measure of the relative density of a petroleum liquid and the density of water, but it is used to compare |
| scale model | A scale model is most generally a physical representation of an object, which maintains accurate relationships between all important aspects of the model, although absolute values of the original properties need not be preserved. |
| orbital radius | it is the distance between what an object is orbiting around and the object itself in any given point |
| waxing | (of the moon between new and full) have a progressively larger part of its visible surface illuminated, increasing its apparent size. |
| waning | of the moon) have a progressively smaller part of its visible surface illuminated, so that it appears to decrease in size. |
| crescent | the curved sickle shape of the waxing or waning moon. |
| gibbous | (of the moon) having the observable illuminated part greater than a semicircle and less than a circle. |
| full moon | he phase of the moon in which its whole disk is illuminated . |
| new moon | the phase of the moon when it is in conjunction with the sun and invisible from earth, or shortly thereafter when it appears as a slender crescent. |
| lunar phase | The lunar phase or phase of the moon is the shape of the illuminated (sunlit) portion of the Moon as seen by an observer, usually on Earth. |
Created by:
andrew1234
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