Category Astronomy/Space

Presence of Airborne Dust could signify Increased Habitability of Distant Planets

A visualization of three computer simulations of terrestrial exoplanets, showing winds (arrows) and airborne dust (color scale), with an M-dwarf host star in the background. Created by Denis Sergeev, STFC funded postdoctoral researcher at the University of Exeter. CREDIT Denis Sergeev/ University of Exeter

Scientists have expanded our understanding of potentially habitable planets orbiting distant stars by including a critical climate component – the presence of airborne dust.

The researchers suggest that planets with significant airborne dust – similar to the world portrayed in the classic sci-fi Dune – could be habitable over a greater range of distances from their parent star, therefore increasing the window for planets capable of sustaining life.

The team from the University ...

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Astronomers find Elusive Target Hiding behind Dust

Credit: Bill Saxton, NRAO/AUI/NSF

Discovery resolves longstanding question.
Some young, still-forming stars are surrounded by regions of complex organic molecules called ”hot corinos.” In some pairs of young stars forming together as binary pairs, astronomers found a hot corino around one, but not the other. Guessing that the unseen one might be obscured by dust, researchers studied such a pair with the VLA at radio wavelengths that readily pass through dust, and found the other one.

Astronomers acting on a hunch have likely resolved a mystery about young, still-forming stars and regions rich in organic molecules closely surrounding some of them. They used the National Science Foundation’s Karl G...

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Scientists Apply Revolutionary 30 Year-Old Principle and Find Black Holes Could Be Like Holograms

What researchers have done is apply the theory of the holographic principle to black holes. In this way, their mysterious thermodynamic properties have become more understandable: focusing on predicting that these bodies have a great entropy and observing them in terms of quantum mechanics, you can describe them just like a hologram: they have two dimensions, in which gravity disappears, but they reproduce an object in three dimensions.

According to new research, black holes could be like a hologram, where all the information is amassed in a 2D surface able to reproduce a 3D image.

We can all picture that incredible image of a black hole that traveled around the world about a year ago...

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A New Catalog of Infrared Dark -Clouds

A false-color infrared image of the Infrared Dark Cloud called “the Snake” as seen by the IRAC camera on the Spitzer Space Telescope. Astronomers have produced a new catalog of IRDCs from IRAC’s sky survey images using a new computational search-and-detection algorithm. (Blue dots are stars relatively undimmed by dust, while the red dots are young stars embedded in the cloud.)
NASA, JPL-Caltech/S. Carey (SSC/Caltech)

Infrared dark clouds (IRDCs) are dark patches of cold dust and gas seen in the sky against the bright diffuse infrared glow of warm dust in our galaxy. These IRDCs, massive and rich in molecules, are natural sites for star birth—one of the main reasons why astronomers are actively studying them...

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