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astronomical
astronomical clock
astronomical telescope
astronomical twilight
astronomical unit
astronomical year
astronomy
astrophotography
astrophysics
AstroTurf
astute
astylar
ASU
Asunción
asunder
asura
ASV
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astrophysics
as·tro·phys·ics [ àstrō fízziks ]


noun 
Definition:
 
the physics of astronomical objects: the study of the physical properties, origin, and development of astronomical objects and events ( takes a singular verb )


as·tro·phys·i·cal adjective
as·tro·phys·i·cal·ly adverb
as·tro·phys·i·cist noun
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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