What is perihelion? Here's what happens when Earth is nearest to the sun

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...
WVEC

Planet revolutions and why the Earth needs leap years

NORFOLK, Va. — Each planet in our solar system takes a different amount of time to complete one orbit around the sun. For example, Mercury, being closest to the sun, takes just 88 Earth days to ...
University of California

Scientific definition of a planet says it must orbit our sun. A new proposal would change that

The International Astronomical Union defines a planet as a celestial body that orbits the sun, is massive enough that gravity has forced it into a spherical shape, and has cleared away other objects ...
The New York Times

Scientists Say They’ve Found a Dwarf Planet Very Far From the Sun

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach its closest point to the sun is in the year 26186. By Kenneth Chang Kenneth ...
Space.com

Lego Technic planet earth and moon in orbit review

This is a beautiful Lego space set, with approximate month and year positions of the earth's and moon's orbit around the sun and gives plenty of STEM stimulation at the same time. Size and distances ...