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Article: This really sucks. (j-lab).(black holes)(Brief Article)
- Article from:
- Look Japan
- Article date:
- January 1, 2002
CopyrightCOPYRIGHT 2002 Look Japan, Ltd. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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* This really sucks Since 1995, when American astronomers discovered that galaxy IC 2560 harbored a water megamaser, a research group led by Nakai Naomasa at the Nationalm Astronomical Observatory (NAO) has been using the 45-meter radio telescope in Nobeyama, Nagano to observe the physical processes occurring at the galaxy's core. In August, the group presented near-conclusive evidence for the existence of a super-massive black hole in IC 2560's active galactic nucleus.
There are two main types of black hole: stellar and supermassive. Stellar sized black holes are the remnants of massive "dead" stars, formed after the gravitational collapse of large neutron stars ...