The Expansion Of Space

This illustration gives an idea of how a region of space may have change over a period of 9 billion years. Individual galaxies are like raisins in a rising cake, carried apart by the expansion of the batter between them. And our galaxy is not static at the center of this motion—it is carried along with it. It is only because we have to measure motion relative to our own location that we appear to be static.

the universe 6 biiiion years ago was much smaiier galaxies dose together free gas and dust not yet absorbed into galaxies diffuse young gaiaxy, not yet condensed into tight spirai

galaxies dose together free gas and dust not yet absorbed into galaxies diffuse young gaiaxy, not yet condensed into tight spirai

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