Fluc­tu­a­tions in the void

In quantum physics, a vacuum is not empty, but rather steeped in tiny fluctuations of the electromagnetic field. Until recently it was impossible to study those vacuum fluctuations directly. Researchers at ETH Zurich have ...

Galactic wind provides clues to evolution of galaxies

The Cigar Galaxy (also known as M82) is famous for its extraordinary speed in making new stars, with stars being born 10 times faster than in the Milky Way. Now, data from the Stratospheric Observatory for Infrared Astronomy, ...

Making the Hubble's deepest images even deeper

It has taken researchers at the Instituto de Astrofísica de Canarias almost three years to produce the deepest image of the universe ever taken from space, by recovering a large quantity of "lost" light around the largest ...

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