Sentences with phrase «changes in their orientations relative»
Each ball produced a magnetic field, so that changes in their orientations relative to a guide star, IM Pegasi, could be measured.
https://www.scientificamerican.com/ Not exact matches
There's also a cluster of small peaks in the range 0.042 to 0.045 cycles / kyr (periods 22,000 to 24,000 years) and a small peak at 0.053 cycles / kyr (period 19,000 years) that are all coincident with periods in the changes of precession, the orientation of earth's spin axis relative to the longitude of perihelion (closest approach to the sun) of earth's orbit.