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Spirals in dust around young stars may betray presence of massive planets

A team of astronomers is proposing that huge spiral patterns seen around some newborn stars, merely a few million years old, may be evidence for the presence of giant unseen planets. This idea not only opens the door to a new method of planet detection, but also could offer a look into the early formative years of planet birth.

Oct 30th, 2015

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Preparing for extreme space weather

A newly published National Space Weather Strategy identifies high-level priorities and goals for the nation, while an accompanying Action Plan outlines how federal agencies will implement the strategy.

Oct 29th, 2015

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VISTA discovers new component of Milky Way

The Vista Variables in the Via Lactea Survey (VVV) ESO public survey is using the VISTA telescope at the Paranal Observatory to take multiple images at different times of the central parts of the galaxy at infrared wavelengths. It is discovering huge numbers of new objects, including variable stars, clusters and exploding stars.

Oct 28th, 2015

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Scaling the universe

Some of the most intractable scientific problems involve natural and physical processes that span many scales and disciplines, from atoms to organs, and from quarks to galaxies. Developing coherent theories that can describe these fundamental phenomena will be crucial to understanding the origins of the Universe and life on Earth. Researchers are inventing solutions to link the vast with the tiny.

Oct 23rd, 2015

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Milky Way photo with 46 billion pixels

Astronomers compile the largest astronomical image of all time. In order to view it, researchers have provided an online tool. The image contains data gathered in astronomical observations over a period of five years.

Oct 21st, 2015

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Mysterious ripples found racing through planet-forming disk

Astronomers have discovered never-before-seen structures within a dusty disc surrounding a nearby star. The fast-moving wave-like features in the disc of the star AU Microscopii are unlike anything ever observed, or even predicted, before now. The origin and nature of these features present a new mystery for astronomers to explore.

Oct 7th, 2015

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Researchers find a new way to weigh a star

Researchers have developed a new method for measuring the mass of pulsars - highly magnetised rotating neutron stars formed from the remains of massive stars after they explode into supernovae.

Oct 5th, 2015

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