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Space Exploration News

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astrophysics, cosmology, the universe...

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Ceres close up

Just arrived in a new orbit: from an altitude of only 1470 kilometres, the Dawn space probe is now gazing at the dwarf planet Ceres.

Posted: Aug 27th, 2015

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Interstellar seeds could create oases of life

New research by astrophysicists shows that if life can travel between the stars (a process called panspermia), it would spread in a characteristic pattern that we could potentially identify.

Posted: Aug 27th, 2015

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Discovering dust-obscured active galaxies as they grow

Astronomers performed an extensive search for Dust Obscured Galaxies (DOGs) using data obtained from the Subaru Strategic Program with Hyper Suprime-Cam (HSC). The research group discovered 48 DOGs, and has measured how common they are. Since DOGs are thought to harbor a rapidly growing black hole in their centers, these results give us clues for understanding the evolution of galaxies and supermassive black holes.

Posted: Aug 27th, 2015

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A new approach towards solving mysteries of the interstellar medium

It is one of the most intriguing questions in astrochemistry: the mystery of the diffuse interstellar bands (DIBs), a collection of about 400 absorption bands that show up in spectra of light that reaches the earth after having traversed the interstellar medium. Despite intense research efforts over the last few decades, an assignment of the DIBs has remained elusive, although indications exist that they may arise from the presence of large hydrocarbon molecules in interstellar space. Recent experiments lend novel credibility to this hypothesis.

Posted: Aug 21st, 2015

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Riding the pulsar wind

The particle wind generated by spinning neutron stars is driven by exotic electromagnetic waves that push the particles to relativistic speeds.

Posted: Aug 21st, 2015

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Meteorite impacts can create DNA building blocks

A new study shown that meteorite impacts on ancient oceans may have created nucleobases and amino acids. Researchers discovered this after conducting impact experiments simulating a meteorite hitting an ancient ocean.

Posted: Aug 19th, 2015

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Hubble finds supernovae in 'wrong place at wrong time'

Scientists have been fascinated by a series of unusual exploding stars - outcasts beyond the typical cozy confines of their galaxies. A new analysis of 13 supernovae is helping astronomers explain how some young stars exploded sooner than expected, hurling them to a lonely place far from their host galaxies.

Posted: Aug 13th, 2015

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