That material sometimes blocks out light that astronomical observatories would otherwise see.
The teams research waspublishedlast month inThe Astrophysical Journal.
Thats just one example of how black holes can influence a galaxys evolution.
A supermassive black hole surrounded by gas and dust as seen in infrared light (top left), visible light (top right), and low- and high-energy X-rays (bottom left, right).Image: NASA/JPL-Caltech
Furthermore, black holes influence can extend far beyond the galaxies in which they reside.
Black holes are crucial engines for galactic evolution, but even these extremely massive objects can evade human detection.
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An artist’s illustration of NASA’s NuSTAR X-ray telescope in space. Image: NASA/JPL-Caltech