Trifid nebula (top right) and the Lagoon nebula

Rubin Observatory reveals first images

The Vera C Rubin Observatory, a new scientific facility that will bring the night sky to life like never before using the largest camera ever built, has revealed its ‘first look’ images at the start of its 10-year survey of the cosmos.

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Artist's impression of a collision between the Milky Way and a massive dwarf

The Gaia Sausage: the major collision that changed the Milky Way

An international team of astronomers has discovered an ancient and dramatic head-on collision between the Milky Way and a smaller object, dubbed ‘the Sausage galaxy’. The cosmic crash was a defining event in the early history of the Milky Way and reshaped the structure of our galaxy, fashioning both the galaxy’s inner bulge and its outer halo, the astronomers report in a series of new papers.

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Pale white veils and the narrow bridge between the clouds represent the distribution of the RR Lyrae stars

A bridge of stars connects two dwarf galaxies

The Magellanic Clouds, the two largest satellite galaxies of the Milky Way, appear to be connected by a bridge stretching across 43,000 light years, according to an international team of astronomers led by researchers from the University of Cambridge. The discovery is reported in the journal Monthly Notices of the Royal Astronomical Society (MNRAS) and is based on the Galactic stellar census being conducted by the European Space Observatory, Gaia.

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