140afb79aa14cd0d0c2afff9c7221196.ppt
- Количество слайдов: 20
Real Images of Actual Black Holes Extraordinary Evidence for an Incredible Idea Presented by: Name, Affiliation Location and Date here http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes A Brief Summary of Black Holes Stellar-mass black holes The most massive stars end their lives in titanic explosions, leaving nothing behind but their ultradense collapsed cores. Mid-mass black holes A new class of recently-discovered black holes have masses on the order of hundreds or thousands of stars. Supermassive black holes The centers of galaxies contain giant black holes, with the masses of millions, even billions, of stars. We cannot see black holes directly, but their influence on the matter around them reveals their presence. Representations above artists’ impressions, and not to scale. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes Sloan Digital Sky Survey X-ray Binary: Visible Light View Many of the stars in our universe come in pairs. Ordinary stars orbiting around a black hole will appear to “wobble” in the sky. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes NASA / CXC / SAO X-ray Binary: X-ray Light View More dramatically, matter being pulled off the orbiting star, into the accretion disk of the black hole, glows brightly in x-rays. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes W. Keel (U. Alabama), et al. . 1. 54 -m Telescope, Chile Globular Cluster: Visible Light View Globular clusters are large, dense clusters of stars. These stars are among the oldest stars in our universe. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes NASA / CXC / Cf. A/J. Grindlay & C. Heinke Globular Cluster: X-ray Light View Stars orbiting around black holes inside these ancient clusters are revealed by the x-ray glow of matter around them. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes W. Keel (U. Alabama), et al. . 1. 54 -m Telescope, Chile Milky Way Center: Visible Light View The heart of our galaxy is a veritable soup of stars, gas, and dust. On a clear night in a dark sky, the view is breathtaking. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes NASA / U. Mass / D. Wang, et al. Milky Way Center: X-ray Light View Lurking within our galaxy’s hot, turbulent center are x-ray binaries, neutron stars, and even a supermassive black hole. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes NOAO / AURA / NSF/ T. Boroson Spiral Galaxy: Visible Light View Like our own Milky Way, M 74 is a majestic spiral. The swirling spiral arms house a menagerie of stars and stellar material. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes NASA/CXC / U. Michigan / J. Liu et al. Spiral Galaxy: X-ray Light View X-ray observations of strange new sources provide evidence for a new class of black holes, with the mass of 10, 000 stars. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes NASA / CXC / U. Michigan / J. Liu et al. NOAO / AURA / NSF / T. Boroson Spiral Galaxy: Multi-wavelength View Combining x-ray and visible light observations can pinpoint the locations of black hole, providing a more complete picture. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes NASA / CXC / SAO / R. Di. Stefano, et al. Spiral Galaxies: An X-ray Gallery Thanks to the Chandra X-ray Observatory, these “mid-mass” black holes are becoming part of the story for all galaxies. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes Elliptical Galaxy: Visible and X-ray Views Digital Sky Survey NASA / CXC / UVA / C. Sarazin, et al. Indeed, most (if not all) galaxies are now thought to house a variety of black holes, ranging in mass from small to large. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes NASA / CXC / PSU /D. M. Alexander, F. E. Bauer, W. N. Brandt, et al. Deep Field Galaxies: X-ray View Looking out deep into space and back in time, we see supermassive black holes in the cores of the earliest galaxies. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes If animation does not play automatically, download animation “Galaxy Merger and Chandra Data” from http: //chandra. harvard. edu/photo/2002/0192/animation s. html Animation must be in the same folder as presentation to run. J. Barnes (U. Hawaii) J. Hubbard (NRAO) Direct Link: http: //chandra. harvard. edu/photo/2002/0192/Sim. Plus. D ata_small. mpg Actual observations provide evidence and data for computer simulations. What does it look like when black holes collide? http: //www. universeforum. org/einstein/ NASA / CXC / MPE / S. Komossa, et al. Colliding Galaxies: A Black Hole Merger
Real Images of Actual Black Holes M. Rejkuba (ESO-Garching) et al. , ISAAC, VLT ANTU telescope, ESO Paranal Observatory Centaurus A: Visible Light View Centaurus A is a nearby galaxy that is thought to be the result of a merger of two smaller galaxies. What’s behind the dust? http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes NASA / SAO / R. Kraft, et al. Centaurus A: X-ray Light View A telltale sign of a black hole is a high-energy jet blasting into space. This galaxy has a supermassive black hole in its center! http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes Elliptical Galaxy: Visible and X-ray Views Palomar Observatory, Digitized Sky Survey NASA / CXC / M. Forman, et al. The elliptical galaxy M 87 also houses a monster in its middle: the most massive black hole yet observed in our universe. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes Galore! NASA/CXC/U. Amsterdam/S. Migliari et al. NASA/CXC/SAO/H. Marshall et al. NASA/UMD/A. Wilson et al. NASA/CXC/MIT/F. K. Baganoff et al. X-ray: NASA/CXC/MIT/UCSB/P. Ogle et al. Optical: NASA/STSc. I/A. Capetti et al From the formation of galaxies to the deaths of stars, black holes are an integral part of our universe’s history. http: //www. universeforum. org/einstein/
Real Images of Actual Black Holes Credits This slide show was created for: Inside Einstein’s Universe http: //www. universeforum. org/einstein/ Black hole images in this presentation are courtesy: NASA’s Chandra X-ray Center at the Smithsonian Astrophysical Observatory http: //chandra. harvard. edu/ To learn more about black holes, visit: http: //www. universeforum. org/einstein/
140afb79aa14cd0d0c2afff9c7221196.ppt