News Release Archive: Galaxy > Quasar/Active Nucleus

1999

• 10/27/1999 STScI-1999-43 21. Very Long Baseline Array Reveals Formation Region of Giant Cosmic Jet Near a Black Hole Astronomers have seen the exhaust products of black hole "engines": narrow beams of material traveling... (More)
• 3/18/1999 STScI-1999-10 22. Hubble's Infrared Galaxy Gallery Astronomers have used the Hubble telescope to produce an infrared "photo essay" of spiral galaxies. By penetrating the dust clouds swirling around the centers of these galaxies, the telescope's... (More)

1998

• 12/3/1998 STScI-1998-42 23. Behind a Dusty Veil Lies a Cradle of Star Birth NGC 253 is a large, almost edge-on spiral galaxy, and is one of the nearest galaxies beyond our local neighborhood of galaxies. ... (More)
• 10/26/1998 STScI-1998-37 24. New Research That Uses Gravitationally Lensed Quasars to Measure Universe is Good News, Bad News for Cosmologists Astronomers who are using the Hubble telescope to observe the gravitational lensing of light from distant... (More)
• 6/18/1998 STScI-1998-22 25. Hubble Uncovers Dust Disk around a Massive Black Hole Resembling a gigantic hubcap in space, a 3,700-light-year-wide dust disk encircles a 300-million- solar-mass black hole in the center of the elliptical... (More)
• 5/14/1998 STScI-1998-14 26. Hubble Provides Multiple Views of How to Feed a Black Hole Astronomers have obtained an unprecedented look at the nearest example of galactic cannibalism — a massive... (More)

1997

• 6/9/1997 STScI-1997-18 27. Fireworks Near a Black Hole in the Core of Seyfert Galaxy NGC 4151 The Hubble telescope's imaging spectrograph simultaneously records, in unprecedented detail, the velocities of hundreds of gas knots streaming... (More)
• 5/12/1997 STScI-1997-12 28. Hubble Records a Black Hole's Signature The colorful "zigzag" on the right is not the work of a flamboyant artist, but the signature of a super-massive black hole in the center of galaxy M84, discovered... (More)

1996

• 11/19/1996 STScI-1996-35 29. Hubble Surveys the "Homes" of Quasars Dramatic Hubble telescope pictures reveal that quasars live in a remarkable assortment of galaxies, many of which are violently colliding. This complicated picture suggests... (More)
• 7/18/1996 STScI-1996-25 30. Hubble Achieves Milestone: 100,000th Exposure The Hubble telescope reached a milestone several years sooner than scientists expected when it snapped its 100,000th exposure June 22, 1996. The six-year-old orbiting observatory... (More)