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Units of length
Units of length in astronomy
Celestial mechanics
Summary Of: Astronomical unit
While the value of the astronomical unit is now known to great precision...
Encyclodia Page On: Astronomical unit
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SI units
|
km
|
m
|
pc
|
ly
|
US customary
|
Imperial units
|
mi
|
ft
|
length
|
Earth
|
Sun
|
±
|
kilometres
|
miles
|
Bureau International des Poids et Mesures
|
anglophone
|
International Astronomical Union
|
international standard
|
ISO 31-1
|
atomic unit
|
length
|
semi-major axis
|
Sun
|
particle
|
mass
|
orbital period
|
Gaussian year
|
gravitational constant
|
Aristarchus of Samos
|
moon
|
Eusebius of Caesarea
|
Praeparatio Evangelica
|
Eratosthenes
|
myriads
|
stadia
|
Kepler's laws of planetary motion
|
Jean Richer
|
Giovanni Domenico Cassini
|
parallax
|
Mars
|
transit of Venus
|
James Gregory
|
Edmond Halley
|
aberration
|
Simon Newcomb
|
solar parallax
|
near-Earth asteroid
|
433 Eros
|
radar
|
telemetry
|
space probes
|
gravitational constant
|
SI
|
celestial bodies
|
time
|
orbits
|
Earth
|
Sun
|
Moon
|
Mars
|
Jupiter
|
Pluto
|
Kuiper Belt
|
Scattered disk
|
90377 Sedna
|
as of 2006
|
Termination shock
|
Solar winds
|
Interstellar winds
|
Interstellar medium
|
Heliosheath
|
Voyager 1
|
Hills cloud
|
Oort Cloud
|
ly
|
gravitational field
|
Hill/Roche sphere
|
interstellar space
|
Proxima Centauri
|
star
|
Earth
|
Betelgeuse
|
Milky Way
|
light minutes
|
light-seconds
|
light-second
|
gigametre
|
light-minute
|
microparsec
|
terametre
|
light-hour
|
light-day
|
milliparsec
|
light-week
|
light-month
|
light-year
|
parsec
|
Orders of magnitude (length)
|
Bureau International des Poids et Mesures
|
ISBN 92-822-2213-6
|
NIST
|
IAU
|
Categories
|
Units of length
|
Units of length in astronomy
|
Celestial mechanics
|
This article is licensed under the
GNU Free Documentation License
. It uses material from the
Wikipedia article "Astronomical unit"
.
