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Galaxies that feed on other galaxies

An international team of astronomers finds signs that the outer halo of the Milky Way contains stellar remains of massive dwarf galaxies that were devoured by our own.

Posted: Jan 31st, 2018

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Glory from gloom

A dark cloud of cosmic dust snakes across this spectacular wide field image, illuminated by the brilliant light of new stars. This dense cloud is a star-forming region called Lupus 3, where dazzlingly hot stars are born from collapsing masses of gas and dust.

Posted: Jan 31st, 2018

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Astrochemists reveal the magnetic secrets of methanol

Scientists have solved an important puzzle in astrochemistry: how to measure magnetic fields in space using methanol, the simplest form of alcohol. Their results give astronomers a new way of investigating how massive stars are born.

Posted: Jan 29th, 2018

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Hubble weighs in on mass of 3 million billion suns

In 2014, astronomers using the NASA/ESA Hubble Space Telescope found that this enormous galaxy cluster contains the mass of a staggering three million billion suns -- so it's little wonder that it has earned the nickname of El Gordo ('the Fat One' in Spanish).

Posted: Jan 17th, 2018

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Odd behavior of star reveals lonely black hole hiding in giant star cluster

Astronomers have discovered a star in the cluster NGC 3201 that is behaving very strangely. It appears to be orbiting an invisible black hole with about four times the mass of the Sun -- the first such inactive stellar-mass black hole found in a globular cluster and the first found by directly detecting its gravitational pull.

Posted: Jan 17th, 2018

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