A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth itself — were made. Scattered between the orbits of Mars and Jupiter lies the ...

The sun's distance from Earth changes throughout the year but it has nothing to do with the seasons. The term "perihelion" describes the point in an astronomical body's orbit where it is nearest to ...

Each line segment of a distance-time graph represents one part of a journey. A distance-time graph, sometimes referred to as a travel graph, is a way of representing a journey. It is helpful to have ...