The start of the astronomical summer begins today! According to Wiki: The solstice occurs when a planet’s rotational axis, or geographical pole on either its Northern or its Southern Hemisphere, is most greatly inclined toward the star that it orbits. On the summer solstice, Earth’s maximum axial tilt toward the Sun is 23.44°. (Likewise, the Sun’s declination from the celestial equator is 23.44°.) This happens twice each year (once […]