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NASA’s Chandra X-ray Observatory, Hubble Space Telescope Hunt for Missing Giant Black Hole

 

NASA - National Aeronautics and Space AdministrationWashington, D.C. – NASA says the mystery surrounding the whereabouts of a supermassive black hole has deepened.

Despite searching with NASA’s Chandra X-ray Observatory and Hubble Space Telescope, astronomers have no evidence that a distant black hole estimated to weigh between 3 billion and 100 billion times the mass of the Sun is anywhere to be found.

This missing black hole should be in the enormous galaxy in the center of the galaxy cluster Abell 2261, which is located about 2.7 billion light years from Earth.

This composite image of Abell 2261 contains optical data from Hubble and the Subaru Telescope showing galaxies in the cluster and in the background, and Chandra X-ray data showing hot gas (colored pink) pervading the cluster. (NASA)

This composite image of Abell 2261 contains optical data from Hubble and the Subaru Telescope showing galaxies in the cluster and in the background, and Chandra X-ray data showing hot gas (colored pink) pervading the cluster. (NASA)

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Sections: Technology | No Comments
 

NASA works to control Rocket Fuel movement in Spacecrafts

 

NASA - National Aeronautics and Space AdministrationEdwards, CA – Rocket off course? NASA says it could be a slosh problem.

Propellant slosh, to be exact. The motion of propellant inside a rocket-based launch vehicle or spacecraft tank is an ever-present, vexing problem for spaceflight. Not only can it make gauging the amount of available propellant difficult, but the volatile waves of liquid can literally throw a rocket off its trajectory.

“To understand why it’s such a critical issue, it’s important to realize that for most launch vehicles, liquid propellant initially makes up nearly 90% of the vehicle mass,” explained Kevin Crosby of Carthage College in Kenosha, Wisconsin.

With support from NASA’s Flight Opportunities program, Carthage College and its partner Embry-Riddle Aeronautical University are testing a new method of suppressing propellant slosh by using magnetic forces. Students Taylor Peterson (left) and Celestine Ananda are shown here with the flight experiment on a parabolic flight with ZERO-G in November 2019. (Carthage College)

With support from NASA’s Flight Opportunities program, Carthage College and its partner Embry-Riddle Aeronautical University are testing a new method of suppressing propellant slosh by using magnetic forces. Students Taylor Peterson (left) and Celestine Ananda are shown here with the flight experiment on a parabolic flight with ZERO-G in November 2019. (Carthage College)

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Sections: Technology | No Comments
 

Essayist Ann Pancake to read at APSU Visiting Writers Series, April 12th

 

Austin Peay State University - APSUClarksville, TN – Author and essayist Ann Pancake, a native West Virginian with a bit of a wanderlust,  has traveled the world in search of a story.

After graduating from West Virginia University, Pancake earned an M.A. in English from the University of North Carolina before teaching English in, among other places, American Samoa, Japan and Thailand. Even now, Pancake lives in Seattle, teaching in the low-residency MFA program at Pacific Lutheran University.

Author and essayist Ann Pancake

Author and essayist Ann Pancake

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Sections: Education | No Comments
 


NASA reports Radio Telescopes could soon detect Low-Frequency Gravitational Waves

 

Written by Elizabeth Ferrara
NANOGrav

NASA - National Aeronautics and Space AdministrationPasadena, CA – The recent detection of gravitational waves by the Laser Interferometer Gravitational-Wave Observatory (LIGO) came from two black holes, each about 30 times the mass of our sun, merging into one. Gravitational waves span a wide range of frequencies that require different technologies to detect.

A new study from the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) has shown that low-frequency gravitational waves could soon be detectable by existing radio telescopes.

Gravitational waves are ripples in space-time, represented by the green grid, produced by accelerating bodies such as interacting supermassive black holes. These waves affect the time it takes for radio signals from pulsars to arrive at Earth. (David Champion)

Gravitational waves are ripples in space-time, represented by the green grid, produced by accelerating bodies such as interacting supermassive black holes. These waves affect the time it takes for radio signals from pulsars to arrive at Earth. (David Champion)

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Former APSU Football Coach James “Boots” Donnelly selected to National Football Foundation (NFF) Division College Hall of Fame

 

Austin Peay State University Governors SportsClarksville, TN – The only coach to lead Austin Peay State University football to an Ohio Valley Conference championship has been selected to the 2013 National Football Foundation (NFF) Division College Hall of Fame.

James “Boots” Donnelly, who directed APSU to the 1977 OVC Football Championship during his two-year Governors stint before building Middle Tennessee into a then 1-AA football powerhouse, was one of seven members of the NFF Division College Hall of Fame Class that includes the NCAA Football Championship Subdivision, Divisions II, III and National Association of Intercollegiate Athletics (NAIA).
National Football Foundation
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