| 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 | ||||
| Description | alt | broader | narrower | related |
|---|---|---|---|---|
| U Geminorum star (UGeminorumStar) | ||||
|
U Geminorum star |
SS Cygni star | dwarf nova |
UV Persei star
, emission line star |
|
| FVH: update (2007-SEP-24) | ||||
| ultraviolet astronomy (ultravioletAstronomy) | ||||
|
ultraviolet astronomy |
UV astronomy | space astronomy |
balloon-borne instrument
, rocket-borne instrument , satellite-borne instrument , space observatory , ultraviolet telescope |
|
| ultraviolet background (ultravioletBackground) | ||||
|
ultraviolet background |
background radiation
, ultraviolet radiation |
X-ray background
, gamma-ray background , microwave background , radio background |
||
| 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 | ||||
| Description | alt | broader | narrower | related |
| ultraviolet camera (ultravioletCamera) | ||||
|
ultraviolet camera |
camera | |||
| ultraviolet color (ultravioletColor) | ||||
|
ultraviolet color |
ultraviolet photometry | |||
| ultraviolet continuum (ultravioletContinuum) | ||||
|
ultraviolet continuum |
continuum radiation
, ultraviolet radiation |
|||
| ultraviolet detector (ultravioletDetector) | ||||
|
ultraviolet detector |
detector | photometer | ||
| ultraviolet excess star (ultravioletExcessStar) | ||||
|
ultraviolet excess star |
UV excess star | RW Aurigae star |
metal-deficient star
, metal-poor star |
|
| ultraviolet extinction (ultravioletExtinction) | ||||
|
ultraviolet extinction |
atmospheric extinction | |||
| in Earth's atmosphere | ||||
| ultraviolet filter (ultravioletFilter) | ||||
|
ultraviolet filter |
interference filter
, optical filter |
|||
| ultraviolet line (ultravioletLine) | ||||
|
ultraviolet line |
spectral line | line spectrum | ||
| ultraviolet luminosity (ultravioletLuminosity) | ||||
|
ultraviolet luminosity |
luminosity | |||
| ultraviolet observatory (ultravioletObservatory) | ||||
|
ultraviolet observatory |
observatory | Hubble Space Telescope | ultraviolet radiation | |
| FVH: new (2007-NOV-1) | ||||
| 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 | ||||
| Description | alt | broader | narrower | related |
| ultraviolet photography (ultravioletPhotography) | ||||
|
ultraviolet photography |
photography | camera | ||
| ultraviolet photometry (ultravioletPhotometry) | ||||
|
ultraviolet photometry |
broad band photometry
, medium band photometry , photometry |
U magnitude
, ultraviolet color , ultraviolet radiation |
||
| ultraviolet radiation (ultravioletRadiation) | ||||
|
ultraviolet radiation |
ultraviolet_light |
electromagnetic radiation
, radiation |
extreme ultraviolet radiation
, far ultraviolet radiation , near ultraviolet radiation , ultraviolet background , ultraviolet continuum |
Cerenkov radiation
, Lyman continuum , Lyman series , black body radiation , line blanketing , ultraviolet observatory , ultraviolet photometry , ultraviolet spectrograph |
| FVH: change BT electromagnetic_wave to BT electromagnetic_radiation (2007-OCT-8) | ||||
| ultraviolet source (ultravioletSource) | ||||
|
ultraviolet source |
ultraviolet object | early-type star | ||
| ultraviolet spectrograph (ultravioletSpectrograph) | ||||
|
ultraviolet spectrograph |
spectrograph | ultraviolet radiation | ||
| ultraviolet survey (ultravioletSurvey) | ||||
|
ultraviolet survey |
survey | catalog | ||
| ultraviolet telescope (ultravioletTelescope) | ||||
|
ultraviolet telescope |
space telescope | ultraviolet astronomy | ||
| ultraviolet (ultraviolet) | ||||
|
ultraviolet |
UV | |||
| combine with other terms | ||||
| U magnitude (UMagnitude) | ||||
|
U magnitude |
apparent magnitude |
Bessel photometry
, Johnson photometry , ultraviolet photometry |
||
| umbra (umbra) | ||||
|
umbra |
Wilson effect
, eclipse , lunar eclipse , penumbra , solar eclipse , sunspot , total eclipse , zone of totality |
|||
| 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 | ||||
| Description | alt | broader | narrower | related |
| underabundance (underabundance) | ||||
|
underabundance |
abundance | overabundance | ||
| ES: new (2007-OCT-8) | ||||
| unit (unit) | ||||
|
unit |
metrology
, symbol |
|||
| of measurement | ||||
| Universal Time (UniversalTime) | ||||
|
universal time |
U.T.
, UT |
time |
UT1
, coordinated Universal Time |
civil time
, ephemeris time , mean solar time , solar day , year |
| universe (universe) | ||||
|
universe |
cosmos |
Dark Energy
, cosmogony , cosmology , large scale structure , metagalaxy |
||
| see also under cosmology | ||||
| unsharp masking (unsharpMasking) | ||||
|
unsharp masking |
photographic processing
, photography |
|||
| upper atmosphere (upperAtmosphere) | ||||
|
upper atmosphere |
Earth atmosphere
, aurora , exosphere , ionosphere , magnetosphere , mesosphere , thermosphere , van Allen radiation belt |
|||
| Earth's atmosphere | ||||
| upsilon Sagittarii star (upsilonSagittariiStar) | ||||
|
upsilon Sagittarii star |
eclipsing binary star | |||
| uranium (uranium) | ||||
|
uranium (atomic number 92) |
U | fundamental chemical element | ||
| FVH: new (2007-OCT-25) | ||||
| Uranus (Uranus) | ||||
|
Uranus |
Jovian planet
, planet |
Solar System | ||
| FVH: new (2007-SEP-24) | ||||
| urca process (urcaProcess) | ||||
|
urca process |
nuclear reaction | |||
| 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 | ||||
| Description | alt | broader | narrower | related |
| UT1 (Ut1) | ||||
|
UT1 |
Universal Time | coordinated Universal Time | ||
| FVH: new (2007-OCT-3) | ||||
| UU Herculis star (UuHerculisStar) | ||||
|
UU Herculis star |
F supergiant
, irregular variable star , post-asymptotic giant branch |
|||
| FVH: corrected content (2007-OCT-5) | ||||
| UV Ceti star (UvCetiStar) | ||||
|
UV Ceti star |
flare star
, variable source |
flash star | ||
| UV Persei star (UvPerseiStar) | ||||
|
UV Persei star |
cataclysmic variable star |
U Geminorum star
, dwarf nova |
||
| UX Ursae Majoris star (UxUrsaeMajorisStar) | ||||
|
UX Ursae Majoris-like star |
nova-like variable |
AM Canum Venaticorum star
, Z Camelopardalis star , dwarf nova |
||