Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...
Scientists have released a new study that catalogues the universe by mapping huge clusters of galaxies. These clusters are some of the largest known objects in the universe — and they can help ...
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Most normal matter in the universe isn't found in planets, stars or galaxies: An astronomer explains
If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...
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