Definition of asterism in English English dictionary
A rarely used typographical symbol (⁂, three asterisks arranged in a triangle), used to call attention to a passage or to separate sub-chapters in a book
A star-shaped figure exhibited by some crystals by reflected light (as in a star sapphire) or by transmitted light (as in some mica)
A small group of stars that forms a visible pattern but is not an official constellation
The Big Dipper, Summer Triangle, and Orion's Belt are asterisms.
A special grouping of stars that are part of a constellation These stars form recognizable figures in the sky An example would be the Big Dipper It is made up of stars in the constellation of Ursa Major also known as the Great Bear, but there are more stars in that constellation that are not part of the Big Dipper
The configuration of stars or "catch figure" used to identify a constellation Example: the Big Dipper is the asterism for Ursa Major
> A gemological phenomenon in which the inclusions of certain polished gemstones produce a star effect when light is reflected off the surface
An asterism is a star-like luminous effect that reflects light in some gemstones, like star sapphires and star garnets
Asterisms are sub- or supersets of constellations which build a constellation itself, or a group of stars, physically related or not Best known is the Big Dipper as a part of the Great Bear But there are more than just this one Click here for a table of asterisms
(astronomy) a cluster of stars (or a small constellation) (mineralogy) a six-rayed star-shaped figure seen in some crystal structures under reflected or transmitted light
An optical property of some crystals which exhibit a star-shaped by reflected light, as star sapphire, or by transmitted light, as some mica
A rarely used typographical symbol (â‚, three asterisks arranged in a triangle), used to call attention to a passage or to separate sub-chapters in a book
Three asterisks placed in this manner, &asterism;, to direct attention to a particular passage
A recognizable pattern of bright stars, usually (but not always) associated with a single constellation
A noticeable pattern of stars that makes up part or parts of a constellation The most notable is the "Big Dipper" which is part of Ursa Major and the "Teapot" which is part of Sagittarius
(mineralogy) a six-rayed star-shaped figure seen in some crystal structures under reflected or transmitted light