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Units of length in astronomy
Summary Of: Light year
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Light year (disambiguation)
|
SI units
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km
|
m
|
AU
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pc
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US customary
|
Imperial units
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mi
|
ft
|
unit
|
length
|
trillion
|
kilometres
|
International Astronomical Union
|
promulgate
|
light
|
travels
|
vacuum
|
Julian year
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km
|
Pm
|
international miles
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astronomical units
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parsecs
|
SI
|
IAU
|
astronomy
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parsec
|
arcsecond
|
parallax
|
second
|
significant digits
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star system
|
stars
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spiral arm
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globular cluster
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one thousand
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parsecs
|
galaxy
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million
|
galaxies
|
galaxy clusters
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billion
|
quasars
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Great Wall
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length
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Moon
|
Earth
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speed of light
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astronomical unit
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Sun
|
Earth
|
space probe
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Voyager 1
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March 9
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2007
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Oort cloud
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Sun
|
hill sphere
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roche sphere
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interstellar space
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star
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Proxima Centauri
|
center
|
galaxy
|
Milky Way
|
Milky Way
|
Andromeda Galaxy
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Triangulum Galaxy
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M33
|
galaxy cluster
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Virgo Cluster
|
Great Attractor
|
Sloan Great Wall
|
Great Wall
|
comoving distance
|
radius
|
observable universe
|
age of the universe
|
cosmic background radiation
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2008
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07-05
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United States Naval Observatory
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NASA
|
NASA
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info/dl
|
|
2005
|
06-27
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Audio help
|
More spoken articles
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|
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Wiktionary
|
Light-second
|
Light-minute
|
Light-hour
|
Light-day
|
Light-week
|
Light-month
|
1 E15 m
|
Orders of magnitude (length)
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Categories
|
Units of length
|
Spoken articles
|
Light
|
Units of length in astronomy
|
This article is licensed under the
GNU Free Documentation License
. It uses material from the
Wikipedia article "Light year"
.