Science & Environment

X-ray observations uncover possible jet warning signs in black hole systems

Source: Phys.org - latest science and technology news stories · Published

X-ray observations uncover possible jet warning signs in black hole systems
Source: Phys.org - latest science and technology news stories

Black hole jet ejections are powerful outbursts of high-energy photons and particles that provide insights into extreme astrophysical processes. However, predicting when they will occur remains difficult. In a study, researchers from Japan analyzed observations of four black hole

Black hole jet ejections are powerful outbursts of high-energy photons and particles that provide insights into extreme astrophysical processes. However, predicting when they will occur remains difficult. In a study, researchers from Japan analyzed observations of four black hole binary systems, identifying decreases in the accretion disk's inner radius and changes in emitted X-ray variability as possible predictors for jet ejection.

Their findings could help astronomers forecast these phenomena more accurately and coordinate timely observations.

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A catalyst that protects itself while producing hydrogen
Science & Environment

A catalyst that protects itself while producing hydrogen

Cobalt phosphide (CoP) is a promising alternative to platinum for producing hydrogen from water. However, scientists have struggled to explain why it performs so well. Computer models have suggested that CoP should become unstable under the conditions used to produce hydrogen, ye

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