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APOD: 2025 May 9 B IXPE Explores a Black Hole Jet
<< Yesterday 9.05.2025
APOD: 2025 May 9 B IXPE Explores a Black Hole Jet
Credit & Copyright: NASA, Pablo Garcia
Explanation: How do black holes create X-rays? Answering this long-standing question was significantly advanced recently with data taken by NASABs IXPE satellite. X-rays cannot exit a black hole, but they can be created in the energetic environment nearby, in particular by a jet of particles moving outward. By observing X-ray light arriving from near the supermassive black hole at the center of galaxy BL Lac, called a blazar, it was discovered that these X-rays lacked significant polarization, which is expected when created more by energetic electrons than protons. In the featured artistic illustration, a powerful jet is depicted emanating from an orange-colored accretion disk circling the black hole. Understanding highly energetic processes across the universe helps humanity to understand similar processes that occur on or near our Earth.

Put it All Together: Astronomy Puzzle of the Day

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Based on Astronomy Picture Of the Day
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