English
Arabic
Chinese (Simplified)
Dutch
Esperanto
French
German
Greek
Italian
Japanese
Korean
Portuguese
Russian
Spanish
UrduRain is a common phenomenon on Earth. There is a similar phenomenon on the Sun, called coronal rain. It is related to the coronal heating and magnetic field, and plays a fundamental role in the mass cycle between the hot,…
Tag: STARS/THE SUN
Researchers identify five double star systems potentially suitable for life
Stable liquid water could exist on surface of any Earth-like exoplanets
City, University of London consortium wins highly competitive ESA funding
Funded by the European Space Agency (ESA), City, University of London will be spearheading the development of next-generation AI-based guidance, navigation and control (GNC) systems for space exploration. A research consortium led by City’s Professor of Robotics and Autonomous Systems,…
Caught speeding: Clocking the fastest-spinning brown dwarfs
Gemini North observations help set rotational speed limit for brown dwarfs
Seeing quadruple
Machine-learning methods lead to discovery of rare “quadruply imaged quasars” that can help solve cosmological puzzles
New research shows that Mars did not dry up all at once
Mars had dry and wet eras and dried up for good 3 billion years ago
NTU Singapore scientists design ‘smart’ device to harvest daylight
Device can be used to illuminate dark, underground spaces in daytime
Stellar eggs near galactic center hatching into baby stars
Astronomers found a number of stellar eggs containing baby stars around the center of the Milky Way using the Atacama Large Millimeter/submillimeter Array (ALMA). Previous studies had suggested that the environment there is too harsh to form stars. These findings…
Black hole seeds key to galaxies behemoths
Early Universe explosion sheds light on elusive black hole
The case of the cloudy filters: Solving the mystery of the degrading sunlight detectors
More than 150 years ago, the Sun blasted Earth with a massive cloud of hot charged particles. This plasma blob generated a magnetic storm on Earth that caused sparks to leap out of telegraph equipment and even started a few…
Launch of Europe’s largest astronomy network
Until now, Europe has had two major collaborative networks for ground-based astronomy, one in the optical wavelength domain and the other in the radio-wave domain. OPTICON and RadioNet have now come together to form Europe’s largest ground-based astronomy collaborative network.…
HAWC: Are photons of extreme energies coming from the Galaxy’s largest accelerator?
For years, in the vastness of our galaxy, astrophysicists have been tracking down pevatrons – natural accelerators of particles with monstrous energies. Thanks to the HAWC Observatory for Cosmic Radiation, another probable trace of their existence has just been found:…
New perovskite fabrication method for solar cells paves way to large-scale production
Sulfolane-additive process yields easy fabrication, low cost, top performance, long operating life
Scientists uncover warehouse-full of complex molecules never before seen in space
Radio observations of a cold, dense cloud of molecular gas reveal more than a dozen unexpected molecules
SwRI researcher theorizes worlds with underground oceans support, conceal life
Layers of ice and rock obviate the need for “habitable zone” and shield life against threats
Scientists sketch aged star system using over a century of observations
Astronomers have painted their best picture yet of an RV Tauri variable, a rare type of stellar binary where two stars – one approaching the end of its life – orbit within a sprawling disk of dust. Their 130-year dataset…
Not so fast, supernova: highest-energy cosmic rays detected in star clusters
For decades, researchers assumed the cosmic rays that regularly bombard Earth from the far reaches of the galaxy are born when stars go supernova — when they grow too massive to support the fusion occurring at their cores and explode.…
Distant planet may be on its second atmosphere, NASA’s Hubble finds
Scientists using NASA’s Hubble Space Telescope have found evidence that a planet orbiting a distant star may have lost its atmosphere but gained a second one through volcanic activity. The planet, GJ 1132 b, is hypothesized to have begun as…
A monumental particle accelerator in the Cygnus Cocoon
At the heart of Cygnus, one of the most beautiful constellations of the summer sky, beats a source of high-energy cosmic ray particles: the Cygnus Cocoon. An international group of scientists at the HAWC observatory has gathered evidence that this…
How fast is the universe expanding? Galaxies provide one answer.
New measure of Hubble constant highlights discrepancy between estimates of our cosmic fate
A giant, sizzling planet may be orbiting the star Vega
Astronomers have discovered new hints of a giant, scorching-hot planet orbiting Vega, one of the brightest stars in the night sky. The research, published this month in The Astronomical Journal , was led by University of Colorado Boulder student Spencer…
Engineering marvel: Sixth mirror cast for Giant Magellan Telescope
The 8.4-meter mirror joins five of the world’s largest mirrors previously cast for the Giant Magellan Telescope, one of the world’s largest and most anticipated extremely large telescopes.
Sixth mirror casting brings Giant Magellan Telescope closer to completion
In a marvel of modern engineering that takes four years of effort, the 8.4-meter mirror is the second-to-last being made for the Giant Magellan Telescope, one of the world’s largest and most anticipated telescopes
A super-Earth is discovered which can be used to test planetary atmosphere models
During the past 25 years astronomers have discovered a wide variety of exoplanets, made of rock, ice and gas, thanks to the construction of astronomical instruments designed specifically for planet searches. Also, using a combination of different observing techniques they…
Earth has a hot new neighbour — and it’s an astronomer’s dream
A rocky planet discovered in the Virgo constellation could change how we look for life in the universe
Planetary science intern leads study of Martian crust
Team explored the relationships between the strength of the magnetic field on planet’s surface and the composition of the crust in the Terra Sirenum-Terra Cimmeria region
Source of hazardous high-energy particles located in the Sun
The source of potentially hazardous solar particles, released from the Sun at high speed during storms in its outer atmosphere, has been located for the first time by researchers at UCL and George Mason University, Virginia, USA.
Three elder sisters of the Sun with planets
Elder suns with low-mass companions
Astrophysicist’s 2004 theory confirmed: Why the Sun’s composition varies
WASHINGTON — About 17 years ago, J. Martin Laming, an astrophysicist at the U.S. Naval Research Laboratory, theorized why the chemical composition of the Sun’s tenuous outermost layer differs from that lower down. His theory has recently been validated by…
NRL physicist earns 2020 AAAS Newcomb Cleveland Prize
WASHINGTON — Imagine living in a large city. New York City, Los Angeles, or Washington. One morning you hear a siren off in the distance. You know the direction and that it was far away since it was just loud…
NAU astronomer receives prestigious 2021 Cottrell Scholar Award
Tyler Robinson recognized for academic leadership, research quality and innovation
Sensing suns
Astronomers accurately measure the temperature of red supergiant stars
Meteorites remember conditions of stellar explosions
Radioactivity in meteorites sheds light on origin of heaviest elements in our solar system
An international team discovers the “heaviest black hole collision” might be a boson star merger
A CUHK undergraduate student participating in the study
Researchers detect cold gas pipelines feeding early, massive galaxies
To come into being, galaxies need a steady diet of cold gases to undergo gravitational collapse. The larger the galaxy, the more cold gas it needs to coalesce and to grow. Massive galaxies found in the early universe needed a…
Parker Solar Probe offers stunning view of Venus
NASA’s Parker Solar Probe captured stunning views of Venus during its close flyby of the planet in July 2020. Though Parker Solar Probe’s focus is the Sun, Venus plays a critical role in the mission: The spacecraft whips by Venus…
Reclusive neutron star may have been found in famous supernova
Since astronomers captured the bright explosion of a star on February 24, 1987, researchers have been searching for the squashed stellar core that should have been left behind. A group of astronomers using data from NASA space missions and ground-based…
ET phones home!
Hebrew University finds first evidence of delayed radio flares after star is destroyed by black hole
Binary stars are all around us, new map of solar neighborhood shows
Gaia survey provides location and motion of 1.3 million binary pairs within 3,000 light years of Earth
Ghost particle from shredded star reveals cosmic particle accelerator
From a black hole to the South Pole: Scientists identify first neutrino from a tidal disruption event
NASA’s Swift helps tie neutrino to star-shredding black hole
For only the second time, astronomers have linked an elusive particle called a high-energy neutrino to an object outside our galaxy. Using ground- and space-based facilities, including NASA’s Neil Gehrels Swift Observatory, they traced the neutrino to a black hole…
Scientists link star-shredding event to origins of universe’s highest-energy particles
A team of scientists has detected the presence of a high-energy neutrino–a particularly elusive particle–in the wake of a star’s destruction as it is consumed by a black hole. This discovery, reported in the journal Nature Astronomy , sheds new…
The CLASP2 space experiment achieves an unprecedented map of the Sun’s magnetic field
Every day space telescopes provide spectacular images of the solar activity. However, their instruments are blind to its main driver: the magnetic field in the outer layers of the solar atmosphere, where the explosive events that occasionally affect the Earth…
Sounding rocket CLASP2 elucidates solar magnetic field
Cooperative operations between a solar observation satellite and a sounding-rocket telescope have measured the magnetic field strength in the photosphere and chromosphere above an active solar plage region. This is the first time that the magnetic field in the chromosphere…
First black hole ever detected is more massive than we thought
Cygnus X-1, a binary star system first discovered in 1964, comprises one of the closest black holes to Earth. New observations of this black hole, the first ever detected, have led astronomers to question what they know about the Universe’s…
On the quest for other Earths
In the search for planets capable of sustaining life, an international research team with members from ETH has taken a significant step forward. As the researchers reported recently in the journal Nature Communications , they found signs of a Neptune-sized…
SETI Institute and NASA team up to bring NASA science into the nation’s community colleges
Innovative program to bring NASA subject matter experts, research findings, and educational resources into science classrooms of community colleges
Air Force awards UToledo $12.5 million to develop space-based solar energy sheets
The military is adding fuel to the momentum of physicists at The University of Toledo who are advancing new frontiers in thin-film, highly efficient, low-cost photovoltaic technology to ensure a clean energy future
Young planets with teenage sun give space studies a lift
New planetary system offers glimpse into how planets evolve
NASA’s TESS discovers new worlds in a river of young stars
Using observations from NASA’s Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a trio of hot worlds larger than Earth orbiting a much younger version of our Sun called TOI 451. The system resides in the…