An LMU team has furnished a model for revealing what the color of a galaxy tells about its distance, to be used for measuring cosmic structures ...
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You’re probably familiar with the idea that when astronomers use telescopes like Hubble, JWST, and ALMA to study faraway objects, we’re actually looking back in time! The light we see has taken millions or billions of years to travel ...
When we look up at the sky with telescopes, we see myriads of galaxies of differing sizes and morphologies (shapes). Galaxies on a large scale seem to be distributed uniformly, but on smaller scales get bound up into what is generally called "large scale structure" —enormous filaments of matter that have clumped together as the Universe evolves ...