Cosmicopia title
BASICS .. COSMIC RAYS .. SUN .. SPACE WEATHER

Glossary:
U and V

A.. B.. C.. D.. E.. F.. G.. H.. I.. J.. K.. L.. M..

N.. O.. P.. Q.. R.. S.. T.. U.. V.. W.. X.. Y.. Z..



U

Universe
All things and events that exist, or are thought to exist.

UT (Universal Time)
The local time at the 0 meridian passing through Greenwich, England; it is t he same everywhere. Same as GMT (Greenwich Mean Time).



V

Vacuum
A space absent of matter or nearly so.

Velocity
The speed and direction in which an object moves.




TRACE sun mosaic Supernova 1006 (ASCA) 30
Doradus ACE
spacecraft TRACE solar flare IMAGE magnetosphere
Click on images above to learn more about them


A service of the Heliophysics Science Division at NASA's GSFC

Questions and comments to: cosmicopia@cosmicra.gsfc.nasa.gov
Curator: Dr Eric R. Christian, NASA
Responsible NASA Official: Dr Eric R. Christian

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This file was last modified: December 14, 2004