Some of the sun's iconic coronal loops may be ghostly illusions - Science News for Students

Wrinkles in the sun’s outer atmosphere might trick the eye into seeing glowing arches, scientists now report.

3-D: Short for three-dimensional. This term is an adjective for something that has features that can be described in three dimensions  height, width and length.  align: (noun: alignment) To place or… [+4727 chars]

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