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Astronomy

The sleeping giant

This image shows the elliptical galaxy NGC 4889 in front of hundreds of background galaxies, and deeply embedded within the Coma galaxy cluster. Well-hidden from human eyes, there is a gigantic supermassive black hole at the centre of the galaxy. ...

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Planet Formation around Binary Star

A composite image of the HD 142527 binary star system from data captured by the Atacama Large Millimeter/submillimeter Array shows a distinctive arc of dust (red) and a ring of carbon monoxide (blue and green). The red arc is free ...

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The Deep-Frozen Flying Saucer

The young star 2MASS J16281370-2431391 lies in the spectacular Rho Ophiuchi star formation region, about 400 light-years from Earth. It is surrounded by a disc of gas and dust — such discs are called protoplanetary discs as they are the ...

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Turbulent times: When stars approach

Both images show slices through the three-dimensional simulation volume after 105 days in the common envelope. In the orbital plane (figure 1), the companion star and the red giant core are circling around each other. Image 2 shows a plane ...

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A Star’s Moment in the Spotlight

A newly formed star lights up the surrounding cosmic clouds in this image from ESO’s La Silla Observatory in Chile. Dust particles in the vast clouds that surround the star HD 97300 diffuse its light, like a car headlight in ...

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How to Find and Study a Black Hole

Artwork by Sandbox Studio, Chicago with Ana Kova Artist’s rendering of black holes in space. Click for a full size image How to Find and Study a Black Hole Imagine, somewhere in the galaxy, the corpse of a star so ...

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