Tag: Metal Rich

Best Place for an Alien Civilization

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This story popped up yesterday, and I can imagine it will go far, since it talks about life in the universe.  I get it, it’s what people are interested in, and at least this story is focused on the science of why this is the best place to look for intelligent civilizations, instead of “Oh hey there’s a strange ring of material around a star, must be an alien superstructure.”  But I digress. So where is the best place to look for life in the universe? The answer is in a Globular Cluster. A globular cluster is one of the...

The Galactic Heartbeat

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Time is a very slow thing when we talk about the universe. Stars can live for many Billions of years, and over human timescales they seem stagnant and unchanging. So it’s no surprise that when we look at distant galaxies, they don’t appear to change at all over the course of centuries. But appearances can be deceiving. Galaxies do change, more quickly than you would imagine. M87, pictured above, is a monstrous Galaxy of nearly 1 Trillion stars, more than twice as populous as the Milky Way. It looks like a big fuzzy star, and it quite regular in appearance...