What are Perihelion and Aphelion?

What are Perihelion and Aphelion?

If the sun appears a bit more intense than normal to you this week, you have a keen eye. The Earth has just made its closest approach to our nearest star for the year. The orbital milestone is known as “perihelion,” and it marks the time when the distance between the Earth and the Sun is at its smallest. The event occurs every year in early January, and in 2019 it took place Thursday, Jan. 3 at 12:20 a.m. EST (or at 05:20 GMT, depending on your time zone). On average, the Earth orbits the Sun at a distance of...