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Updated: 9 hours 42 min ago

NASA's Hubble, Webb probe surprisingly smooth disk around Vega

Fri, 11/01/2024 - 9:35am
Teams of astronomers used the combined power of NASA's Hubble and James Webb space telescopes to revisit the legendary Vega disk.
Categories: Science

New ESO image captures a dark wolf in the sky

Thu, 10/31/2024 - 10:10am
For Halloween, the European Southern Observatory (ESO) reveals a spooktacular image of a dark nebula that creates the illusion of a wolf-like silhouette against a colourful cosmic backdrop. Fittingly nicknamed the Dark Wolf Nebula, it was captured in a 283-million-pixel image by the VLT Survey Telescope (VST) at ESO's Paranal Observatory in Chile.
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It's not to be. Universe too short for Shakespeare typing monkeys

Wed, 10/30/2024 - 12:08pm
It would take far longer than the lifespan of our universe for a typing monkey to randomly produce Shakespeare, a new study reveals.
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Faster space communication with record-sensitive receiver

Wed, 10/30/2024 - 12:05pm
In space exploration, long-distance optical links can now be used to transmit images, films and data from space probes to Earth using light. But in order for the signals to reach all the way and not be disturbed along the way, hypersensitive receivers and noise-free amplifiers are required. Now, researchers have created a system that, with a silent amplifier and record-sensitive receiver, paves the way for faster and improved space communication.
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One of the fastest-spinning stars in the Universe

Wed, 10/30/2024 - 12:04pm
New research in our Milky Way has revealed a neutron star that rotates around its axis at an extremely high speed. It spins 716 times per second, making it one of the fastest-spinning objects ever observed.
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Seeing a black hole's jet in a new light

Mon, 10/28/2024 - 10:14am
Researchers have pored over more than two decades' worth of data from NASA's Chandra X-Ray Observatory to show there's new knotty science to discover around black holes.
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Evidence mounts for dark energy from black holes

Mon, 10/28/2024 - 10:14am
Researchers have strengthened the case that matter becomes dark energy when massive stars collapse and become black holes.
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Saturn's moon Titan has insulating methane-rich crust up to six miles thick

Fri, 10/25/2024 - 9:28am
A new study has revealed that methane gas may be trapped within the icy surface of Saturn's moon Titan, forming a distinct crust up to six miles thick, which warms the underlying ice shell and may also explain Titan's methane-rich atmosphere.
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Scientists discover molecules that store much of the carbon in space

Thu, 10/24/2024 - 11:53am
A distant interstellar cloud was found to contain an abundance of pyrene, a type of large carbon-containing molecules known as polycyclic aromatic hydrocarbons (PAHs). This suggest pyrene may have been the source of much of the carbon in our solar system.
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Dandelion-shaped supernova and zombie star

Thu, 10/24/2024 - 10:06am
A historical supernova documented by Chinese and Japanese astronomers in 1181 has been lost for centuries, until very recently. Yet, the newly found remnant shows some stunning characteristics that are puzzling astronomers. Now, it surrenders its secrets. A team provides the first detailed study of the supernova's structure and speed of expansion in 3D.
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NRL coronagraph captures unique images of a dusty comet

Wed, 10/23/2024 - 2:16pm
U.S. Naval Research Laboratory (NRL) imaging instruments on three sun-orbiting observatories have captured sequences of comet C/2023 A3, known as Tsuchinshan-ATLAS, as it passed between the Earth and the Sun during the beginning of October 2024.
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Rocky planets orbiting small stars could have stable atmospheres needed to support life

Wed, 10/23/2024 - 10:10am
A sequence of events during the evolution of certain rocky planets orbiting M-dwarfs, the most common stars in the universe, creates an atmosphere that would be stable over time. This is true for more temperate planets, orbiting a bit farther from the central star.
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Physicists discover first 'black hole triple'

Wed, 10/23/2024 - 10:09am
A surprising discovery about the black hole V404 Cygnus is expanding our understanding of black holes, the objects they can host, and the way they form.
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Ultra-small spectrometer yields the power of a 1,000 times bigger device

Wed, 10/23/2024 - 10:09am
Researchers are designing new ways to make spectrometers that are ultra-small but still very powerful, to be used for anything from detecting disease to observing stars in distant galaxies.
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NASA reveals prototype telescope for gravitational wave observatory

Tue, 10/22/2024 - 12:41pm
NASA has revealed the first look at a full-scale prototype for six telescopes that will enable, in the next decade, the space-based detection of gravitational waves.
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Can cell phone signals help land a plane?

Tue, 10/22/2024 - 10:32am
Researchers are taking experimental navigation technology to the skies, pioneering a backup system to keep an airplane on course when it cannot rely on global positioning system satellites.
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Combining satellite methods provides drought detection from space

Mon, 10/21/2024 - 9:33am
Observing sites like the Amazon basin from space has underscored the capability of satellites to better detect signs of drought, according to a new study. The researchers combined Global Positioning System (GPS) and the Gravity Recovery and Climate Experiment (GRACE methods to improve monitoring of hydrological droughts.
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Neutron stars may be shrouded in axions

Fri, 10/18/2024 - 10:12am
Physicists have shown that extremely light particles known as axions may occur in large clouds around neutron stars. These axions could form an explanation for the elusive dark matter that cosmologists search for -- and moreover, they might not be too difficult to observe.
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Astronomers detect ancient lonely quasars with murky origins

Thu, 10/17/2024 - 10:21am
Astronomers observed ancient quasars that appear to be surprisingly alone in the early universe. The findings challenge physicists' understanding of how such luminous objects could have formed so early on in the universe, without a significant source of surrounding matter to fuel their growth.
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Out-of-this-world simulation key to collecting moon dust

Wed, 10/16/2024 - 9:06am
Teleoperated robots for gathering moon dust are a step closer, according to new research.
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