The Public Health Agency of Canada has issued a Travel Health Notice for the Global Update: Zika virus infection recommending that Canadians practice special health precautions while travelling in affected countries. Pregnant women and those considering becoming pregnant should avoid travel to Mexico.
Define axial. axial synonyms, axial pronunciation, axial translation, English dictionary definition of axial. adj. 1. Relating to, characterized by, or forming an axis. 2. Located on, around, or in the direction of an axis. axâ²iÂ·alâ²iÂ·ty n. axâ²iÂ·alÂ·ly adv.
This is what is known axial tilt, where a planetâs vertical axis is tilted a certain degree towards the ecliptic of the object it orbits (in this case, the Sun). Such a tilt results in there being a difference in how much sunlight reaches a given point on the surface during the course of a year. In the case of Earth, the axis is tilted towards the ecliptic of the Sun at approximately 23.44Â° (or 23.439281Â° to be exact). 1  Earthâs axis points north to Polaris, the northern hemisphereâs North Star, and south to dim Sigma Octantis. 2  Artistâs rendition of the Earthâs rotation and the precession of the Equinoxes.