Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion.

Add Yahoo as a preferred source to see more of our stories on Google. The sun shines above the Earth’s horizon. Perihelion, the point when Earth is closest to the Sun, occurs annually in early January ...

Perihelion is when a planet or celestial body reaches its closest point to the Sun in its orbit.

Meteorologist Dalencia Jenkins describes how Earth's proximity to the sun impacts the seasons — and it isn't how you might expect.

The sun shines above the Earth’s horizon. Perihelion, the point when Earth is closest to the Sun, occurs annually in early January. NASA At the start of the year, Earth will quietly reach a milestone ...