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News/Events

Our more recent newsworthy research results, group members news and awards, and all current events related to the Center — you'll find it here.

GWAC research in the news.

World-wide radio telescope network strengthens evidence for signal that may hint at ultra-low frequency gravitational waves

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An international team of astronomers, including members of the North American Nanohertz Observatory for Gravitational Waves (NANOGrav), has announced the results of a comprehensive search for ripples in the fabric of space-time – known as gravitational waves. The team searched for low-frequency gravitational waves, which can originate from supermassive black hole binaries residing in galaxies or from events occurring soon after the formation of the universe in the Big Bang. Detecting these low-frequency signals will open a brand-new window in the gravitational wave spectrum and help scientists enhance their understanding of the evolution of galaxies, their central black holes, and the early universe.

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Stellar feedback and an airborne observatory; a team led by a WVU researcher determined a nebula to be much younger than previously believed

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In the southern sky, situated about 4,300 light years from Earth, lies RCW 120, an enormous glowing cloud of gas and dust. This cloud, known as an emission nebula, is formed of ionized gases and emits light at various wavelengths. An international team led by West Virginia University researchers studied RCW 120 to analyze the effects of stellar feedback, the process by which stars inject energy back into their environment. Their observations showed that stellar winds cause the region to expand rapidly, which enabled them to constrain the age of the region. These findings indicate that RCW 120 must be less than 150,000 years old, which is very young for such a nebula.

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