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Southampton researchers find a new way to weigh a star

Researchers from the University of Southampton 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.

'Fossils' of galaxies reveal the formation and evolution of massive galaxies

The spectra is equivalent to 200 hours of Subaru Telescope's observing time. Rectangles on the spectrum indicate spectral features, which are used to calculate the ages, the amount of heavy elements and the alpha-element abundance in the stellar populations of these galaxies.An international team led by researchers at Swiss Federal Institute of Technology in Zürich observed massive dead galaxies in the universe 4 billion years after the Big Bang with the...

Researchers propose new way to chart the cosmos in 3-D

UBC researchers are proposing a new way to calculate distances in the cosmos using mysterious bursts of energy.If only calculating the distance between Earth and far-off galaxies was as easy as pulling out the old measuring tape. Now UBC researchers are proposing a new way to calculate...

Massive galaxy cluster found to be bursting with new stars

This image, using data from Spitzer and the Hubble Space Telescope, shows the galaxy cluster SpARCS1049.An international team of astronomers has discovered a distant massive galaxy cluster with a core bursting with new stars.

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Volunteer black hole hunters as good as the experts

The Radio Galaxy Zoo interface illustrating the three steps required to make a classification.Trained volunteers are as good as professional astronomers at finding jets shooting from massive black holes and matching them to their host galaxies, research suggests.

Hubble survey unlocks clues to star birth in neighboring galaxy

This is a Hubble mosaic of 414 photographs of the M31, or the Andromeda galaxy. On the bottom left is an enlargement of the boxed field (top) reveals myriad stars and numerous open star clusters as bright blue knots,spanning 4,400 light-years across. On the bottom right are six bright blue clusters extracted from the field. Each cluster square is 150 light-years across.In a survey of NASA's Hubble Space Telescope images of 2,753 young, blue star clusters in the neighboring Andromeda galaxy (M31), astronomers have found that M31 and our own galaxy...

The wings of the butterfly

The Twin Jet Nebula, or PN M2-9, is a striking example of a bipolar planetary nebula. Bipolar planetary nebulae are formed when the central object is not a single star, but a binary system, Studies have shown that the nebula's size increases with time, and measurements of this rate of increase suggest that the stellar outburst that formed the lobes occurred just 1200 years ago.The shimmering colours visible in this NASA/ESA Hubble Space Telescope image show off the remarkable complexity of the Twin Jet Nebula. The new image highlights the nebula's shells and its...

New data from Antarctic detector firms up cosmic neutrino sighting

This is one of the highest-energy neutrino events from a survey of the northern sky superimposed on a view of the IceCube Lab at the South Pole.Researchers using the IceCube Neutrino Observatory have sorted through the billions of subatomic particles that zip through its frozen cubic-kilometer-sized detector each year to gather powerful new evidence in support...

Sibling stars

This rich view of a tapestry of colorful stars was captured by the Wide Field Imager (WFI) camera, on the MPG/ESO 2.2-meter telescope at ESO's La Silla Observatory in Chile. It shows a open cluster of stars known as IC 4651, a stellar grouping that lies at in the constellation of Ara (The Altar).The loose speckling of stars in this new ESO image is the open star cluster IC 4651, located within the Milky Way, in the constellation of Ara (The Altar), about...

SwRI scientists study nitrogen provision for Pluto's atmosphere

The latest data from NASA's New Horizons spacecraft reveal diverse features on Pluto's surface and an atmosphere dominated by nitrogen gas. However, Pluto's small mass allows hundreds of tons of...

Corrected sunspot history suggests climate change not due to natural solar trends

A drawing of the Sun made by Galileo Galilei on 23 June 1613 showing the positions and sizes of a number of sunspots. Galileo was one of the first to observe and document sunspots.The Maunder Minimum, between 1645 and 1715, when sunspots were scarce and the winters harsh, strongly suggests a link between solar activity and climate change. Until now there was a...

Earth-like planets around small stars likely have magnetic fields, aiding chance for life

Earth-like planets orbiting close to small stars probably have magnetic fields that protect them from stellar radiation and help maintain surface conditions that could be conducive to life, according to research from astronomers at the University of Washington.

11-year cosmic search leads to black hole rethink

A simulation of black holes merging.One hundred years since Einstein proposed gravitational waves as part of his general theory of relativity, an 11-year search performed with CSIRO's Parkes telescope has failed to detect them, casting...

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Astronomers peer into the 'amniotic sac' of a planet-hosting star

Astronomers have successfully peered through the 'amniotic sac' of a star that is still forming to observe the innermost region of a burgeoning solar system for the first time.

Parsing photons in the infrared, UCI-led astronomers uncover signs of earliest galaxies

Astronomers from the University of California, Irvine and Baltimore's Space Telescope Science Institute have generated the most accurate statistical description yet of faint, early galaxies as they existed in the...

Farthest galaxy detected

This is galaxy EGS8p7, as seen from the Hubble Space Telescope (wide and top right) and Spitzer Space Telescope (inset, bottom right), taken in infrared.A team of Caltech researchers that has spent years searching for the earliest objects in the universe now reports the detection of what may be the most distant galaxy ever...

Cosmic recycling

The rich patchwork of gas clouds in this new image make up part of a huge stellar nursery nicknamed the Prawn Nebula (also known as Gum 56 and IC 4628). Taken using the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile, this may well be one of the best pictures ever taken of this object. It shows clumps of hot new-born stars nestled in among the clouds that make up the nebula.Deeply immersed in this huge stellar nursery are three clusters of hot young stars -- only a few million years old -- which glow brightly in ultraviolet light. It is...

Searching for ingredients of dark matter and dark energy

This is an artists' impression of the experiment. The conditions in the vacuum chamber and the use of individual atoms (violet dots) as probes simulate the conditions in empty space for the search for dark energy.Two new reports advance efforts to identify components of dark matter and energy, which together comprise about 95% of the universe yet leave much to scientists' imaginations. Both experiments illustrate...

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Queen's researcher finds new model of gas giant planet formation

Queen's University researcher Martin Duncan has co-authored a study that solves the mystery of how gas giants such as Jupiter and Saturn formed in the early solar system.

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Young, Jupiter-like planet discovered

This is an image of the Jupiter-like planet discovered by the Gemini Planet Imager.A team of researchers has discovered a Jupiter-like planet within a young system that could provide a new understanding of how planets formed around our sun.

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Scientists measure slow death of the Universe

A galaxy from the GAMA survey was observed at different wavelengths from the far ultraviolet to the far infrared. The inset graph shows how much energy is being generated at the different wavelengths.An international team of astronomers studying 200,000 galaxies has measured the energy generated within a large portion of space more precisely than ever before, discovering that it's only half what...

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Astronomers discover new planet orbiting two stars

This is an artist's impression of the Kepler-453 system showing the newly discovered planet on the right and the eclipsing binary stars on the left.A team of astronomers including a San Francisco State University researcher has discovered a new planet orbiting a pair of stars, the 10th "circumbinary" planet discovered by NASA's Kepler Mission...

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