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XMM-Newton reveals giant flare from a tiny star

A star of about eight percent the Sun's mass has been caught emitting an enormous 'super flare' of X-rays—a dramatic high-energy eruption that poses a fundamental problem for astronomers, who did not think it possible on ...

Beyond the brim, Sombrero Galaxy's halo suggests turbulent past

Surprising new data from NASA's Hubble Space Telescope suggests the smooth, settled "brim" of the Sombrero galaxy's disk may be concealing a turbulent past. Hubble's sharpness and sensitivity resolves tens of thousands of ...

How newborn stars prepare for the birth of planets

An international team of astronomers used two of the most powerful radio telescopes in the world to create more than three hundred images of planet-forming disks around very young stars in the Orion Clouds. These images reveal ...

Eighteen-hour-year planet on edge of destruction

Astronomers from the University of Warwick have observed an exoplanet orbiting a star in just over 18 hours, the shortest orbital period ever observed for a planet of its type.

Galaxy Cruise—Your galactic journey as a citizen scientist

The Universe is full of galaxies of various shapes; some galaxies have spiral arms and others don't. Why do galaxies show such diversity? Galaxies are thought to grow by interacting and merging with other galaxies; and the ...

BECEP array installed at South Pole

Professor Clem Pryke and his group are on their way back to Minnesota from the South Pole in Antarctica after completing installation of the new BICEP Array Telescope. Over the next few years this specialized radio telescope ...

Findings from NASA's Juno update Jupiter water mystery

NASA's Juno mission has provided its first science results on the amount of water in Jupiter's atmosphere. Published recently in the journal Nature Astronomy, the Juno results estimate that at the equator, water makes up ...

LOFAR pioneers new way to study exoplanet environments

sing the Dutch-led Low Frequency Array (LOFAR) radio telescope, astronomers have discovered unusual radio waves coming from the nearby red dwarf star GJ1151. The radio waves bear the tell-tale signature of aurorae caused ...

Image: Hubble embraces spiral with open arms

The spiral galaxy NGC 2008 sits center stage, its ghostly spiral arms spreading out toward us, in this image captured by the NASA/ESA Hubble Space Telescope.

Globular cluster system of NGC 4546 studied in detail

Using the Gemini-South telescope, astronomers have performed a photometric study of the lenticular galaxy NGC 4546. Results of the new research provide more clues about the structure and nature of the galaxy's globular cluster ...

Earth climate models and the search for life on other planets

In a generic brick building on the northwestern edge of NASA's Goddard Space Flight Center campus in Greenbelt, Maryland, thousands of computers packed in racks the size of vending machines hum in a deafening chorus of data ...

A submillimeter survey of protostars

The formation of stars involves the complex interactions of many phenomena, including gravitational collapse, magnetic fields, turbulence, stellar feedback, and cloud rotation. The balance between these effects varies significantly ...

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