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Minimalist Dictionary
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proper motion
noun
The change in apparent position of a celestial body due to that body's velocity relative to the Sun.
Word Frequency 1800~2019
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aneurism
rust
tabasco
construct
creamlike
habitat
subsidy
crudeness
disarm
troubling
refried
related
kinfolk
shortcut
flaxseed
overrun
rotten
dispersal
snugly
space motion
retrograde motion
mean motion
opposition
aberration of light
diurnal motion
lation
aberration
trajectory
space velocity
radial velocity
mean anomaly
celestial mechanics
cosmokinematics
motus peculiaris