The strangulation of spiral galaxies

Astronomers in two UK-led international collaborations have separately uncovered a type of galaxy that represents a missing link in our understanding of galaxy evolution. Galaxy Zoo, which uses volunteers from the general public to classify galaxies and the Space Telescope A901/902 Galaxy Evolution Survey (STAGES) projects have used their vast datasets to disentangle the roles of 'nature' and 'nurture' in changing galaxies from one variety to another...

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