Assertion: precession's effect | /r/Synonym | precession
Facets:
Source sentences:
text: They can balance on string or a finger; they can resist motion about the spin axis in very odd ways; but the most interesting effect is called precession.
text: This mysterious effect is precession.
text: An effect called precession causes the Sun's vernal equinox point to slowly shift westward over time, so a star's RA and dec will slowly change by about 1.4 degrees every century (a fact ignored by astrologers), or about 1 minute increase in a star's RA every twenty years.
text: An effect called precession causes the Sun's vernal equinox point to slowly shift westward over time, so a star's RA and dec will slowly change by about 1.4 degrees every century (a fact ignored by astrologers), or about 1 minute increase in a star's RA every twenty years.