ScienceGlobal issuesWhy is the length of a year different on every planet?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGlobal issuesCornelia Borrmann08/27/2024August 27, 2024Our Solar System has eight planets, and each has a year of a different length. That has to do with their distance from the sun and how quickly they orbit our star.https://p.dw.com/p/4jpvbAdvertisement