While Old Sol is seven percent stronger this week, it’s unlikely you’ll need to break out the sunscreen
While we commonly mark the first week of January as the commencement of the new year, it also marks two significant milestones in the passage of the earth’s journey around the sun.
You wouldn’t know it by winter’s chilly grip, but January 4 marks perihelion, earth’s closest approach to the sun. On this day, 92.187 million miles separate us from the sun, compared to aphelion, around July 4 each year, when the two are 93.375 million miles apart. Sunlight hitting the earth...