The link between the tilt of the Earth's axis to the ecliptic and seasons of the year--length of day, effectiveness of sunlight, polar day and night, and seasons south and north of the equator, as well as near it. ... This lesson plan supplements: "Seasons of the Year," section #3: on disk Sseason.htm , on the web . ... Actually, Earth is most distant from the Sun in summer! ... Because of the inclination angle i, sometimes the North Pole of the Earth leans towards the Sun, sometimes it leans away. ...