How, exactly, does planet Earth move through the Universe?
The Solar System isn’t a vortex, but rather the sum of all our great cosmic motions. Here’s how we move through space.
Planet Earth isn’t at rest, but continuously moves through space.
The Earth rotates on its axis, spinning a full 360° with each passing day.
That translates into an equatorial speed of ~1700 km/hr, dropping lower with increasing latitudes.
Meanwhile, the Earth revolves around the Sun, with speeds ranging from 29.29 km/s to 30.29 km/s.
Early January’s perihelion causes the fastest motions, while July’s aphelion yields the slowest.
Atop that, the entire Solar System travels around the Milky Way.
Our heliocentric speed of 200–220 km/s is inclined ~60° to the plane of the planets.
However, our motion isn’t vortical, but a simple sum of these velocities.