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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
Related words
Other words
linoleum
plunging
elbow
dropout
doornail
wildcat
oven
shampoo
jaybird
provoke
dominion
dangling
troubling
little
twiddling
consent
albatross
degrease
onscreen
magazine
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