Assertion: motion | /r/HasProperty | due
Facets:
value: to the fact
type: CAUSE
Source sentences:
text: The first quantity indicates the direction of the proper motion on the celestial sphere (with 0 degrees meaning the motion is due north, 90 degrees meaning the motion is due east, and so on), and the second quantity is the motion's magnitude, typically expressed in arcseconds per year (symbol arcsec/yr, as/yr) or milliarcsecond per year (mas/yr).
text: The difference between their rapid motion relative to the Galaxy, and their much slower motion relative to each other is due to the fact that they are mostly going around the Galaxy in nearly the same direction, at nearly the same speed, much as cars on a freeway are heading in nearly the same direction, at nearly the same speed.
text: The difference between their rapid motion relative to the Galaxy, and their much slower motion relative to each other is due to the fact that they are mostly going around the Galaxy in nearly the same direction, at nearly the same speed, much as cars on a freeway are heading in nearly the same direction, at nearly the same speed.