The solar system is primarily comprised of our sun — which makes up the vast majority of its mass — and the eight planets, which are split into three subcategories. First up are the rocky ...

When I was a kid, there were nine planets. Now we know of thousands! But that includes exoplanets, alien worlds that orbit alien suns. Only eight planets call our solar system home. Or there might ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to ...

Solar System: Wandering Worlds. Season 51 Episode 13 | 53m 34s Video has Audio Description, Closed Captions | AD CC. Meet the surprising, oddball worlds moving around our solar system. 10/30/2024 ...