Assertion: coma | /r/HasAspect | comet
Facets:
Source sentences:
text: In optics (especially telescopes), the coma ( ), or comatic aberration, in an optical system refers to aberration inherent to certain optical designs or due to imperfection in the lens or other components that results in off-axis point sources such as stars appearing distorted, appearing to have a tail (coma) like a comet.
text: In optics (especially telescopes), the coma ( ), or comatic aberration, in an optical system refers to aberration inherent to certain optical designs or due to imperfection in the lens or other components that results in off-axis point sources such as stars appearing distorted, appearing to have a tail (coma) like a comet.