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Chandra sees remarkable eclipse of black hole
04-12-2007 · EurekAlert!A remarkable eclipse of a supermassive black hole and the hot gas disk around it has been observed with NASA's Chandra X-ray Observatory. This eclipse has allowed two key predictions about the effects of supermassive black holes to be tested.
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- Chandra discovers light echo from the Milky Way's Black Hole
01-10-2007 · EurekAlert!
Like cold case investigators, astronomers have used NASA's Chandra X-ray Observatory to uncover evidence of a powerful outburst from the giant black hole at the Milky Way's center.
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- Chandra Reviews Black Hole Musical: Epic But Off-key
10-10-2006 · ScienceDaily
A gigantic sonic boom generated by a supermassive black hole has been found with NASA's Chandra X-ray Observatory, along with evidence for a cacophony of deep sound.
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- Integral sees the Galactic centre playing hide and seek
01-18-2007 · European Space Agency (ESA)
ESA's gamma ray observatory Integral has caught the centre of our galaxy in a moment of rare quiet. A handful of the most energetic high-energy sources surrounding the black hole at the centre of the Galaxy had all faded into a temporary silence when Integral looked.
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- Integral sees the Galactic center playing hide and seek
01-18-2007 · EurekAlert!
ESA's gamma ray observatory Integral has caught the centre of our galaxy in a moment of rare quiet. A handful of the most energetic high-energy sources surrounding the black hole at the centre of the Galaxy had all faded into a temporary silence when Integral looked.
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- Prototype for long wavelength array sees first light
03-29-2007 · EurekAlert!
Astronomers at the Naval Research Laboratory (NRL) have produced the first images of the sky from a prototype of the Long Wavelength Array (LWA), a revolutionary new radio telescope to be constructed in southwestern New Mexico. The images show emissions from the center of our galaxy, a supermassive black hole, and the remnant of a star that exploded in a supernova over 300 years ago.
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- Heaviest stellar black hole discovered in nearby galaxy
10-17-2007 · EurekAlert!
Astronomers have located an exceptionally massive black hole in orbit around a huge companion star. By combining data from NASA's Chandra X-ray Observatory and the Gemini telescope on Mauna Kea, Hawaii, M33 X-7 was determined to be the most massive stellar black hole known. This result has intriguing implications for the evolution and ultimate fate of massive stars.
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- Integral sees the Galactic centre playing hide and seek
01-19-2007 · European Space Agency (ESA)
ESA's gamma ray observatory Integral has caught the centre of our galaxy in a moment of rare quiet. A handful of the most energetic high-energy sources surrounding the black hole at the centre of the Galaxy had all faded into a temporary silence when Integral looked.
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- Neutron stars join the black hole jet set
06-27-2007 · EurekAlert!
NASA's Chandra X-ray Observatory has revealed an X-ray jet blasting away from a neutron star in a binary system. This discovery may help astronomers understand how neutron stars as well as black holes can generate powerful beams of relativistic particles.
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- Eclipsing a black hole
04-21-2007 · Science News Online
A chance eclipse has enabled astronomers for the first time to measure the width of a disk of swirling, hot matter around a supermassive black hole.
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- Unusual supernovae may reveal intermediate-mass black holes in globular clusters
01-29-2008 · EurekAlert!
A strange and violent fate awaits a white dwarf star that wanders too close to a moderately massive black hole. According to a new study, the black hole's gravitational pull on the white dwarf would cause tidal forces sufficient to disrupt the stellar remnant and reignite nuclear burning in it, giving rise to a supernova explosion with an unusual appearance.
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