That's a great question! There are actually a few different ways to think about the Earth's speed through space, depending on what reference point you're using. Here are a couple of examples:

1. Orbiting the Sun:

* Earth's orbital speed around the Sun is about 67,000 miles per hour (107,000 kilometers per hour). This is how fast we're constantly moving in our elliptical path around our star.

2. Moving with the Solar System:

* The Sun, along with all its planets, is moving through the Milky Way galaxy at a speed of about 514,000 miles per hour (828,000 kilometers per hour). So, we're also moving at this incredible speed as part of our solar system's journey.

3. The Milky Way's motion:

* Our entire galaxy is also moving through space, likely influenced by the gravity of other galaxies. The exact speed is difficult to determine precisely, but we know it's significant.

It's important to remember that these are just average speeds and the Earth's actual velocity varies slightly throughout its orbit and due to the gravitational influence of other celestial bodies.

So, depending on how you want to define "fast" and "through space," the answer can vary. But it's safe to say that Earth is constantly in motion, and that motion is quite impressive!