When the original Green Pea study was published back in 2009, it was pretty obvious to a lot of people that they might be good analogs for typical galaxies that existed when the Universe was much younger. If true, that turns out to be pretty exciting, because the Green Peas are much, much closer. Therefore, … More It turns out, the Green Peas are really good high-z analogs!
A few years ago, a citizen science project called the Galaxy Zoo found some really neat galaxies. While the group of volunteers were busy classifying the morphological (shape) properties of galaxies in the Sloan Digital Sky Survey (SDSS), they discovered these round, green blobs, that look like this: The Galaxy Zoo named these objects Green … More The Green Peas: An Introduction