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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
balancing
schilling
exact
bucktooth
hardcopy
sardine
devotion
disjoin
cathouse
tastiness
whisking
gopher
stank
patriot
carpenter
surviving
motocross
cranium
matching
mumble
lation
angular motion
aberration of light
mean anomaly
retrograde motion
aberration
diurnal motion
movement
motion parallax
planetary aberration
radial velocity
parallax motion
opposition
aspect
midmotion