different between astronomy vs barycentre

English

Wikiversity

Etymology

From Middle English astronomie, astronemy, from Old French astronomie, equivalent to astro- +? -nomy. Displaced native Old English tungolcræft.

Pronunciation

• (General American) IPA^(key): /??st??n??mi/, /æ?st??n??mi/
• Rhymes: -?n?mi

Noun

astronomy (usually uncountable, plural astronomies)

1. The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe.
2. (obsolete) Astrology.
   • 1609, William Shakespeare, Sonnet 14:

     Not from the stars do I my judgment pluck;

     And yet methinks I have astronomy ...

Usage notes

• The study of the physical processes which control matter and energy in the universe is commonly called astrophysics. The investigation of the origin, evolution, and fate of the universe itself is called cosmology.

Synonyms

• stargazing

Hypernyms

• science

Hyponyms

Derived terms

Related terms

Translations

See also

• cosmology
• uranology
• starlore

References

• astronomy at OneLook Dictionary Search

English

Alternative forms

• (US) barycenter

Etymology

bary- +? centre

Pronunciation

• Rhymes: -?nt?(?)

Noun

barycentre (plural barycentres)

1. (mathematics, physics, astronomy) The point at the centre of a system; an average point, weighted according to mass or other attribute. The term is usually used in astronomy for the centre of mass about which a system rotates, for example, the moon and the earth rotate about a common point within the earth but not near the centre. Jupiter and the Sun rotate about a common point just outside the surface of the Sun.

Translations

See also

• centroid
• centre of gravity
• centre of mass
• orthocentre

Anagrams

• barycenter

French

Etymology

From Ancient Greek ????? (báros, “weight”) + centre.

Noun

barycentre m (plural barycentres)

1. barycenter