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galaxies

Milky way galaxy

Space

A strange barrier is keeping cosmic rays out of the Milky Way’s centre

The very centre of the Milky Way has an unexpectedly low density of cosmic rays compared with the rest of the galaxy, which means that they are somehow being kept out

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The Large Magellanic Cloud

Space

The history of the Large Magellanic Cloud has been mapped in detail

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Illustration of our galaxy, the Milky Way seen obliquely, with the arms and the central bar in their approximate known locations. There are four major arms and one arm fragment (Orion-Cygnus or Local) where the Sun is found. In the annotated version of this image, the yellow dot indicates the position of the Solar System about 25000 ly from the galactic core. The Norma and Outer arms are in fact the same, but the two names refer to different parts of it. The same is true of the so-called 3kpc (3 kilo-parsec) arm, which further out becomes the Perseus arm.

Space

Astronomers may have spotted a new spiral arm of the Milky Way galaxy

News

We finally know when the first stars in the universe switched on

Space

We finally know when the first stars in the universe switched on

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galactic filament

Space

Enormous strands of galaxies in the cosmic web appear to be spinning

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spiral galaxy

Space

Dark matter is slowing down the slab of stars at our galaxy’s centre

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Wind from supermassive black holes may help small galaxies thrive

Space

Wind from supermassive black holes may help small galaxies thrive

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Infrared view of the centre of the Milky Way

Space

The building blocks for life might exist at the edge of the galaxy

News

Cosmic smash-ups may push huge black holes away from their homes

Space

Cosmic smash-ups may push huge black holes away from their homes

News

stars

Space

Star cluster lurking in the shadows may help explain galactic mystery

Astronomers haven't seen many huge stellar gatherings in our galaxy's inner reaches, but a new study suggests that rather than being rare they are just harder to see

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Space

Young galaxies grow up faster than astronomers previously thought

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Space

Rare images show role of collisions in galactic evolution

Regulars

Space

Most distant quasar may help us solve how enormous black holes form

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Space

How every galaxy comes from quantum fluctuations billions of years ago

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