Hubble telescope Discover the 'Starlight Ghosts' Of Galaxies Are Already Destroyed

Astronomy Science ~ NASA added a cosmic touch to Halloween by searching for "ghost light from the stars" who died 4 billion years...

Astronomy Science ~ NASA added a cosmic touch to Halloween by searching for "ghost light from the stars" who died 4 billion years ago from the remnants of multi-galactic carnage. Eerie glow from these stars comes from ancient galaxies are destroyed by gravity.

This massacre occurred in Pandora Cluster, a cluster of galaxies that inhabited by more than 500 galaxies, also known as Abell 2744.

Using forensic science, NASA researchers were able to determine that six of the Milky Way-sized galaxies like taffy destroyed over a span of six billion years. They studied the remnant light from stars that float and spread across the region and is no longer tied to one particular galaxy.

The Hubble Space Telescope captured this image of what scientists described as "ghost light" of the long-dead star in Pandora's Cluster, a group of galaxies known officially as Abell 2744. This image released on October 30, 2014.
"The Hubble data reveal that the ghost light is an important step forward in understanding the evolution of clusters of galaxies," said Ignacio Trujillo of the Instituto de Astrofísica de Canarias (IAC) in Santa Cruz de Tenerife, Spain, said in a NASA statement. "It is also extraordinarily beautiful that we find traces of light by utilizing the unique capabilities of Hubble."

The researchers who discovered this eerie glow believe that studying these stars can provide information about what is happening in the cluster.

The researchers who discovered the ghost light does not seem afraid of their findings.

Astronomers have been searching for the light from stars orphaned for some time, and while there are about 200 billion stars in the cluster as the Pandora itself, the collective light they only make up about 10 percent of the total light of this cluster.

Thus, finding a ghost light required three years of observations with the Hubble Space Telescope.
These results were published in the October 1 issue of Astrophysical Journal.
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Astronomy Science: Hubble telescope Discover the 'Starlight Ghosts' Of Galaxies Are Already Destroyed
Hubble telescope Discover the 'Starlight Ghosts' Of Galaxies Are Already Destroyed
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