Just How Far Away Is that Galaxy, Anyway?
Estimating Galaxy Distances Using Low-Resolution Photometric Data
How do we make sense of the observable universe? It is an incomprehensibly vast (and mostly empty) space containing perhaps hundreds of billions of galaxies. Luckily for us, it is also just simple enough that astrophysicists can create realistic ensembles of mock galaxies by using codes that run for months on each of thousands of nodes in a computer cluster.
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