[DOC] [TLE] APOD Search Results for "black hole" - CASS [PAR] Apr 12, 1999 ... These bubbles measure 200,000 light-years across and surround the entire 
galaxy. ... Assuming that the object is a neutron star of typical mass, some ... 
Explanation: What created the dust disk in the center of NGC 7052, and .... of the 
center of the nearby elliptical galaxy NGC 4261 tells one dramatic tale. [DOC] [TLE] Henrietta Leavitt Flat Screen Planetarium: Black Hole in NGC 4261 [PAR] To figure out if there's a black hole in the center of NGC 4261, you have ask ... 
You're most likely to find these beasts at the hearts of galaxies. Quasars (quasi-
stellar radio objects, or QSOs) are also thought to have ... a chance  it gets 
sucked right in: gas, dust, light, planets, stars, starships, etc. ... No one else is in 
sight. [DOC] [TLE] Galaxy NGC 4261 - Envisioning black holes - Pictures - CBS News [PAR] Giant disk of cold gas and dust fueled a possible black hole at core of galaxy 
NGC 4261, one of the brightest galaxies in Virgo Cluster, about 100 million... [DOC] [TLE] Accretion disk - Wikipedia [PAR] ... of what may be gas accreting onto a black hole in elliptical galaxy NGC 4261. 
An accretion disk is a structure (often a circumstellar disk) formed by diffused 
material in orbital ... The frequency range of that radiation depends on the central 
object's mass. ..... HH-30, a HerbigHaro object surrounded by an accretion disk. [DOC] [TLE] The Central Engine of an Active Galaxy [PAR] 1. They have high luminosities, generally greater than the 1037 W, ... Figure 
16.11 Active Galactic Nucleus The leading theory for the energy source in active 
galactic nuclei holds that these objects ... Figure 16.12 shows a Hubble Space 
Telescope image of a disk of gas and dust at the core of the radio galaxy NGC 
4261 in... [DOC] [TLE] Dark Stars, Black Holes, Bright Galaxies - Centre for Astrophysics ... [PAR] The galaxies with these exotic, extremely massive objects at their centres may 
well be called "Hearts of Darkness". .... Artist's impression of the Cygnus X-1 
binary system, with the supergiant star on the left, and the black hole surrounded 
by an accretion disk of gas, on the right. .... NGC 4261 is a bright elliptical galaxy. [DOC] [TLE] Discovery STS-31  An Adventure Beyond the Mirror [PAR] Complicated filaments of dust wrapped around the disk of the galaxy give NGC ... 
Lee's photometry goes a magnitude fainter than Sagar's and shows just one ... 
will also improve the observing powers of the Hubble's Faint Object Spectrograph
. ... of gas and dust encircling the brilliant center of NGC 4261, an elliptical galaxy
... [DOC] [TLE] Suspected Black Hole Shows Its Face - NYTimes.com [PAR] Nov 20, 1992 ... The disk, more than 300 light-years in diameter, is remarkably ... given 
astronomers their best view yet of a huge disk of gas and dust being ... they are 
objects of such extreme density that their gravity traps and ... The photographs of 
the galaxy, NGC 4261, were taken by wide .... More in U.S. (1 of 45 articles). [DOC] [TLE] Super Massive Black Holes at Galactic Centers [PAR] second) within 26 light-years of the galaxy's center, where the black ... MASSIVE 
BLACK HOLES IN GALAXIES NGC 3377, NGC 3379 AND NGC 4486B. The 
three galaxies ... galaxy. The STIS data clearly show that the gas knots 
illuminated by one of these ... visible light image shows a dark dust disk, the 
ultraviolet image [DOC] [TLE] Hubble's eight year of exploration - Astronet [PAR] Infant galaxies, distant quasars, exploding stars, mysterious black holes, colliding 
galaxies. ... If these early conclusions are true, then the universe could be 15 
billion years old. ... Astronomers have long pondered the origins of one of the 
universe's .... disk of dust is feeding a massive black hole in the galaxy, NGC 
4261. [DOC] [TLE] Distant Discoveries of the HST [PAR] This allows the HST to observe and detect the most distant objects and

Question: In the center of galaxy NGC-4261 is one of these powerful objects surrounded by a disk of dust
Answer: a black hole