... Bad Astronomy . ... Bitesize Astronomy . ... The center of the elliptical galaxy M84 was observed using STIS to see if there was a giant black hole there (a wide view of the galaxy is seen on the left). ... Their huge gravity accelerates matter up to tremendous speeds, but only closer in to the actual black hole. The great resolution of Hubble combined with the spectrographic qualities of STIS allow it to look very close in to the center of the galaxy and look at the matter nearest the black hole. ...