Super Massive Black Hole Radiation Emitted

Space continues to be a foundation of extraordinary new discoveries and the latest finding by a collection of astronomers is no exception. Astronomers discovered an “extragalactic afterburner” trailing over two million light years from the center of a far off galaxy, according to a statement from the International Center for Radio Astronomy Research. The astronomers contend that the jet of materials looks like to the afterburner flood of a fighter jet.

The astronomers letter that a closer assessment of the “extragalactic afterburner” shows regularly spaced areas that are brighter than the relax of the jet in a prototype that is like to the way that the afterburner starting a jet engine has brighter areas in its glow.

Jet Engine to Eat Cereal and Crayons for a Purpose

NASA's Aviation Safety Program is developing technology for improved sensors to help spot changes in vibration, speed, temperature and emissions which are symptomatic of engine glitches. These advanced sensors could alert ground crews to problems that can be eliminated with preventive maintenance before becoming serious safety concerns. Ultimately, the sensors could alert pilots to the presence of destructive volcanic ash particles too small for the eyes to see, giving more time for evasive action to prevent engine damage in flight.

Letting a jet engine suck up foreign objects usually is a no-no, but engineers at NASA's Dryden Flight Research Center will bend the rules in an upcoming experiment with a U.S. Air Force C-17 cargo transport. The cereal and crayons will leave a colorful trail of grains and wax that the researchers can see and study to gauge how well the sensors work.

Dryden engineers ran a similar test using water in December 2011 to lay the groundwork for more complex experiments. They operated the C-17 in normal use and simulated fault conditions after outfitting one of its two Pratt & Whitney F117 turbofan engines military versions of Pratt & Whitney's commercial airline PW-2000 turbofan engines with the advanced sensors.

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Preps Continue for Launching Engine Icing Research

NASA scientists are making progress in their preparations to mount a detailed research campaign aimed at solving a modern-day aviation mystery involving the unlikely combination of fire and ice inside a running jet engine.

The investigation deals with the seemingly strange notion that ice crystals associated with warm-weather storms can be ingested into the core of a jet engine, melt and then re-freeze, potentially causing the engine to lose power or shut down altogether. Safety officials have documented more than 150 incidents of this phenomenon since 1988. Most of the incidents have occurred in the tropics.

“It doesn’t seem intuitive that ice can form in the core of a warm engine,” said Ron Colantonio, manager of the Atmospheric Environment Safety Technologies Project at NASA’s Glenn Research Center in Cleveland. So in order to make sense of the mystery, NASA and its research partners are planning to gather information by flying a specially-outfitted business jet in high-altitude, warm-weather conditions suspected of having a large amount of ice crystals.