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Astronomers detect the closest example yet of a black hole devouring a star（图）
黑洞 吞噬恒星 红外天文学
2023/6/9
Once every 10,000 years or so, the center of a galaxy lights up as its supermassive black hole rips apart a passing star. This “tidal disruption event” happens in a literal flash, as the central black...
Astronomers detect dark matter halo around ancient dwarf galaxy（图）
Astronomers detect dark matter halo ancient dwarf galaxy
2021/3/5
The Milky Way is surrounded by dozens of dwarf galaxies thought to be relics of the first galaxies in the universe. Among the most primitive of these galactic fossils is Tucana II -- an ultrafaint dwa...
On April 25, NSF's Laser Interferometer Gravitational-Wave Observatory (LIGO) and the European-based Virgo detector registered gravitational waves from what appears to be a crash between two neutron s...
LIGO And Virgo Observatories Jointly Detect Black Hole Collision（图）
LIGO And Virgo Observatories Jointly Detect Black Hole Collision
2017/10/24
In August, detectors on two continents recorded gravitational wave signals from a pair of black holes colliding. This discovery, announced today, is the first observation of gravitational waves by thr...
UChicago scientists detect first X-rays from mystery supernovas（图）
UChicago scientists first X-rays mystery supernovas
2017/9/5
Exploding stars lit the way for our understanding of the universe, but researchers are still in the dark about many of their features.A team of scientists, including scholars from the University of Ch...
Researchers Detect Exoplanet with Glowing Water Atmosphere（图）
Researchers Detect Exoplanet Glowing Water Atmosphere
2017/9/1
Scientists have found compelling evidence for a stratosphere on an enormous planet outside our solar system. The planet’s stratosphere—a layer of atmosphere where temperature increases with higher alt...
Astronomers Detect Orbital Motion in Pair of Supermassive Black Holes
Astronomers Orbital Motion Supermassive Black Holes
2017/7/24
Using the supersharp radio “vision” of the National Science Foundation’s Very Long Baseline Array (VLBA), astronomers have made the first detection of orbital motion in a pair of supermassive black ho...
York University astrophysicists detect ultra-fast winds near supermassive black hole
York University astrophysicists ultra-fast winds supermassive black hole
2016/3/28
New research led by astrophysicists at York University has revealed the fastest winds ever seen at ultraviolet wavelengths near a supermassive black hole.“We’re talking wind speeds of 20 per cent the ...
In a first, astronomers detect strong winds on an exoplanet（图）
astronomers strong winds an exoplanet
2010/9/21
Since the first exoplanet — a planet outside our solar system — was discovered in 1995, more than 460 others have been found. While astronomers have been able to measure the size, orbital characterist...