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Black holes

Sparks of interest

Why is the black hole at the centre of our Galaxy so dim, when those in other galaxies can outshine the stars around them? Newly discovered bursts of infrared radiation may give the first clues to what is going on.

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Figure 1: Unsteady accretion.


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Narayan, R. Sparks of interest. Nature 425, 908–909 (2003).

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