Assertion: moon's speed | /r/CapableOf | shift sun's apparent position
Facets:
value: by about 1/10,000 radian
type: OTHER
Source sentences:
text: ( astrophoto.fr ^ Annual aberration is the ratio of Earth's orbital velocity (around 30 km/s) to the speed of light (about 300,000 km/s), which shifts the Sun's apparent position relative to the celestial sphere toward the west by about 1/10,000 radian.
text: is the ratio of Earth's orbital velocity (around 30 km/s) to the speed of light (about 300,000 km/s), which shifts the Sun's apparent position relative to the celestial sphere toward the west by about 1/10,000 radian.