Think of the universe as a gigantic solar system.
Our solar system moving through space.
A simple animation by the former nasa scientist james o donoghue.
This bubble is moving through interstellar space as the sun orbits the center of the milky way galaxy.
The solar system moves through the galaxy with about a 60 angle between the galactic plane and the planetary orbital plane.
The solar system moves through space in the same fashion as the elements of the solar system move throughout within the solar system.
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Much like all the planets in our solar system earth orbits the sun at a much speedier clip than its rotational speed.
As our heliosphere plows through space it creates a bow wave like the wave formed by the bow of a ship.
From this effect in the big bang s leftover glow we can find that the solar system moves relative to the cmb at 368 2 km s and that when you throw in the motion of the local group you get that.
Attracted and held captive by the gravety of our sun and the smaller elements by the gravity of their nearby larger elementss.