Because that's how long it takes to orbit the sun when you're that far away. Tim Peake introduces Dallas Campbell. Dallas shows an orrery – a mechanical model of the solar system. Before the ...

The Sun is the largest object in the Solar System. The Sun's huge gravitational field keeps many other objects - planets, dwarf planets, asteroids and comets - in orbit around it. The Sun and its ...

The eight planets in our solar system orbit the sun in roughly the same plane, because they all originally formed from the same disc of debris around the sun. The line the sun traces across the ...

AUSTIN (KXAN) — The ongoing search for oceans in our solar system is taking us ... world’s moons occur as they orbit the planet. Based on that wobble, the model can determine how much water ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

They developed a 3D model that simulates how the solar system's orbital architecture may ... With each mass, she modeled 2 million years of orbit to find what kind of architectural impact each ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.