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Hubble captures glow of giant galaxy cluster

Hubble captures glow of giant galaxy cluster

Science
April 13 (UPI) -- A new image from the Hubble Space Telescope showcases a massive galaxy cluster, a web of thousands of galaxies tied together by the tug of gravity.The galaxy cluster featured in the image is named PLCK G308.3-20.2. Like an ecosystem full of biodiversity, the cluster is home to wide range of galaxies -- all different types, shapes and sizes.This particular galaxy cluster is situated 5 billion light-years away from Earth.As recently as a few decades ago, astronomers thought galaxy clusters were the largest structures in the universe, but in the 1980s, scientists realized galaxy clusters were organized into structures called superclusters.Superclusters are made of groups of clusters that can stretch hundreds of millions of light-years across. Some superclusters cover as much...
Amateur astronomer captures supernova's first light

Amateur astronomer captures supernova's first light

Science
Feb. 21 (UPI) -- An amateur astronomer has captured the fleeting first light of an exploding star. It's the first time anyone has documented the "first optical light" of a supernova.Stars explode all the time, but they do so at random, making it extremely difficult to document the sudden burst of light that proceeds their explosion.Victor Buso, an amateur astronomer from Rosario, Argentina, was just testing out his new camera and telescope in Sept. 2016, when he lucked his way into before-and-after images of an exploding star inside NGC 613, a spiral galaxy located 67 million light-years from Earth.While analyzing the images captured by his new camera, Buso noticed a unique flash of light. He got in touch with professional astronomers and shared his discovery with them. The researchers mob...
Drone footage captures apocalyptic aftermath of ISIS in Raqqa

Drone footage captures apocalyptic aftermath of ISIS in Raqqa

World
Though victory has been declared in the battle against ISIS in the Syrian city of Raqqa, drone footage and photos show a city decimated by a months-long siege and years of civil war. Syrian Democratic Forces celebrated their hard-won victory around Naim Square, which was where ISIS fighters once carried out public beheadings and executions during their occupation of the city. Also known as "Paradise Square," it had been a symbol of brutality when Raqqa was the "capital" of ISIS's self-declared caliphate. Now, the once-vibrant metropolis of 200,000 people has been left in ruins following fighting that began during the Syrian uprising and escalated with the arrival of ISIS in late 2013. The battle to retake Raqqa began on June 6, following heavy airstrikes by U.S. forces. In the past few...
New DARPA radar sensor captures video through clouds

New DARPA radar sensor captures video through clouds

Business
Sept. 29 (UPI) -- A new radar sensor that can capture real-time video through clouds has been developed and demonstrated by the U.S. military.The U.S. Defense Advanced Research Projects Agency, or DARPA, said the sensor is part of its Video Synthetic Aperture Radar, or ViSAR, program that recently completed flight testing."The recent flight tests of the ViSAR sensor marked a major program milestone toward our goal, proving that we can take uninterrupted live video of targets on the ground even when flying through or above clouds," Bruce Wallace, program manager in DARPA's Strategic Technology Office, said in a news release. "The EO/IR sensors on board the test aircraft went blank whenever clouds obscured the view, but the synthetic aperture radar tracked ground objects continuously through...
Hubble captures image of 'hidden galaxy'

Hubble captures image of 'hidden galaxy'

Science
July 7 (UPI) -- The Hubble Space Telescope captured the IC 342, a challenging space target due to its thick glowing gas, dark, bright stars and obscuring dust.The IC 342, also known as the Hidden Galaxy, sits near the equator in the Milky Way's galactic disk, where the haze of glowing cosmic gas, dark, obscuring dust and bright stars was captured in an image released by NASA on Friday.Scientists had to look through a large amount of material contained within our own galaxy to view the intricate spiral structure of IC 342.IC 342 gets its name of the Hidden Galaxy because of difficulty viewing it, and it would be among the brightest galaxies in the sky if it wasn't obscured by cosmic dust.The very active galaxy is a mixture of hot, blue star-forming regions, redder, cooler regions of gas, an...