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Stars News
September 28, 2020

Top Headlines
 

First Study With CHEOPS Data Describes One of the Most Extreme Planets in the Universe

CHEOPS keeps its promise: Observations with the space telescope reveal details of the exoplanet WASP-189b - one of the most extreme planets ...

Astronomers Model, Determine How Disk Galaxies Evolve So Smoothly

By developing better computer simulations, researchers have determined that the scattering of stars from their orbits by the gravity of massive clumps within galaxies leads to a common look in galaxy ...

Astronomers Discover an Earth-Sized 'Pi Planet' With a 3.14-Day Orbit

Scientists have discovered a 'pi Earth' -- an Earth-sized planet that zips around its star every 3.14 days, in an orbit reminiscent of the universal mathematics ...

From Star to Solar System: How Protoplanetary Rings Form in Primordial Gas Clouds

The star HL Tauri is glowing at the center of a system of concentric rings made from gas and dust and producing planets, one for each gap in the ...
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Earlier Headlines
 

Researchers have detected a signal from what may be the most massive black hole merger yet observed in gravitational waves. The product of the merger is the first clear detection of an ...

Astrophysics: A Direct View of Star/disk Interactions

Astronomers have for the first time directly observed the columns of matter that build up newborn stars. This was observed in the young star TW Hydrae system located approximately 163 light years ...

Can a Black Hole Fire Up the Cold Heart of the Phoenix Galaxy Cluster?

Radio astronomers have detected jets of hot gas blasted out by a black hole in the galaxy at the heart of the Phoenix Galaxy Cluster, located 5.9 billion light-years away in the constellation ...

New Observations of Black Hole Devouring a Star Reveal Rapid Disk Formation

When a star passes too close to a supermassive black hole, tidal forces tear it apart, producing a bright flare of radiation as material from the star falls into the black hole. Astronomers study the ...

Unveiling Rogue Planets With NASA's Roman Space Telescope

New simulations show that NASA's Nancy Grace Roman Space Telescope will be able to reveal myriad rogue planets -- freely floating bodies that drift through our galaxy untethered to a ...

Mystery Gas Discovered Near Center of Milky Way

Researchers have discovered a dense, cold gas that's been shot out from the center of the Milky Way 'like ...

Experiments Replicate High Densities in 'White Dwarf' Stars

Engineers have simulated the crushing pressure created as white dwarf stars cease to produce their own fuel, leaving only an extremely dense core. The results add to growing evidence about the ...

Hubble Finds That Betelgeuse's Mysterious Dimming Is Due to a Traumatic Outburst

Observations are showing that the unexpected dimming of the supergiant star Betelgeuse was most likely caused by an immense amount of hot material ejected into space, forming a dust cloud that ...

How Stars Form in the Smallest Galaxies

The question of how small, dwarf galaxies have sustained the formation of new stars over the course of the Universe has long confounded the world's astronomers. An international research team ...

New theoretical research finds that many white dwarfs may explode in supernova in the distant far future, long after everything else in the universe has died and gone ...

New Method to Determine the Origin of Stardust in Meteorites

Scientists have made a key discovery thanks to stardust found in meteorites, shedding light on the origin of crucial chemical ...

NASA's Planet Hunter Completes Its Primary Mission

NASA's TESS has completed its primary mission, imaging about 75% of the starry sky during a two-year-long survey. TESS has found 66 new planets, nearly 2,100 candidates, and much ...

Explosive Nuclear Astrophysics

An international team has made a key discovery related to 'presolar grains' found in some meteorites. This discovery has shed light on stellar explosions and the origin of chemical ...

Stellar Egg Hunt With ALMA

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) took a census of stellar eggs in the constellation Taurus and revealed their evolution state. This census helps researchers ...

Calcium-Rich Supernova Examined With X-Rays for First Time

X-ray images give unprecedented view of extremely rare type of supernova. New information suggests that these supernovae start as compact stars that lose mass at the end of life. Calcium-rich ...

Surprisingly Dense Exoplanet Challenges Planet Formation Theories

New detailed observations reveal a young exoplanet, orbiting a young star in the Hyades cluster, that is unusually dense for its size and age. Weighing in at 25 Earth-masses, and slightly smaller ...

Planet Found Orbiting Small, Cool Star

Precision measurements made with the VLBA have revealed that a small, cool star 35 light-years from Earth is orbited by a Saturn-sized planet once every 221 ...

Unequal Neutron-Star Mergers Create Unique 'Bang' in Simulations

In a series of simulations, researchers determined that some neutron star collisions not only produce gravitational waves, but also electromagnetic radiation that should be detectable on ...

Planet-forming environments can be much more complex and chaotic than previously expected. This is evidenced by a new image of the star RU Lup, made with the Atacama Large Millimeter/submillimeter ...

Surprising Early Galaxy Breaks Low-Oxygen Record

New results achieved by combining big data captured by the Subaru Telescope and the power of machine learning have discovered a galaxy with an extremely low oxygen abundance of 1.6% solar abundance, ...

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