The Earth rotates on its axis and revolves around Sun, which in turn orbits around the galactic center at speeds of hundreds of km/s. In our neighborhood, the speed of the Sun and the other stars around the galactic center have an uncertainty of around ~10%, or ~20 km/s, which is the largest factor of uncertainty when it comes to calculating our cumulative motion through the Universe. (Credit: Jon Lomberg and NASA)

How fast does the Earth move?

It rotates on its axis, revolves around the Sun, moves throughout the Milky Way, and gets carried by our galaxy all throughout space.

Ethan Siegel
10 min readMar 23, 2022

--

No matter what perspective you choose to look at it from, planet Earth is always in motion. Our planet rotates on its axis continuously, spinning and completing a full 360° rotation…

--

--

Ethan Siegel
Starts With A Bang!

The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.