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X marks the spot at the centre of the Milky Way

20 July 2016 Astronomy Now

Astronomers have uncovered the strongest evidence yet that an enormous X-shaped structure made of stars lies within the central bulge of the Milky Way. Previous computer models, observations of other galaxies, and observations of our own Galaxy have suggested that the X-shaped structure existed, but no one had observed it directly.

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A young mammoth cluster of galaxies sighted in the early universe

25 May 2016 Astronomy Now

Astronomers have uncovered evidence for a vast collection of young galaxies 12 billion light years away. The newly discovered “proto-cluster” of galaxies, observed when the universe was only 1.7 billion years old (12 percent of its present age), is one of the most massive structures known at that distance.