As galaxies go, Andromeda IX is a mighty dim bulb. In fact, it is dimmest galaxy ever detected, which means it could give clues to the mysterious dark matter that appears to be pushing regular matter ...
WASHINGTON -- As galaxies go, Andromeda IX is a mighty dim bulb. In fact, it is dimmest galaxy ever detected, which means it could give clues to the mysterious dark matter that appears to be pushing ...