Dark forces at work (Image: Andy Martin)From New Scientist:
WHERE will astronomers stop in their love affair with the enigmatic substance called dark matter? First we were told it was essential to allow a galaxy to spin without falling apart. Then it was the glue that held clusters of galaxies together. Later it was said to have catalysed the formation of the galaxies in the first place. Now, surely, they have gone too far. If the latest theories pan out, dark matter has also given us some of the world's most enduring astrological myths.
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