Our Sun is on one of the spiral arms as shown in the diagram: The Sun's orbital speed is determined almost entirely by the gravitational pull of matter inside its orbit. The expected orbital speed ...

Earth's spin, of course, is not the only motion we have in space. Our orbital speed around the sun is about 67,000 mph (107,000 km/h), according to Cornell. We can calculate that with basic geometry.

This means that objects in small orbits travel faster than objects in large orbits. The graph shows how the orbital speed of a planet changes with its distance from the Sun.

These varying revolution times are due to each planet's distance from the sun and its orbital speed. Our closest neighbors, Mars and Venus, have similar revolution times to us here on Earth.

The graph shows how the orbital speed of a planet changes with its distance from the Sun. Polar orbits take the satellites over the Earth’s poles. The satellites travel very close to the Earth ...

The graph shows how the orbital speed of a planet changes with its distance from the Sun. Geostationary close geostationaryA satellite orbiting a planet at the same rate as the planet. A ...

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.