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Our Milky Way has a supermassive black hole at its nucleus. It is an active radio source. It is probably not a Seyfert galaxy, which is a galaxy of a type characterized by a bright compact core that shows strong infrared emission, though.
It will be blue shifted
It means the heading towards us, red means it is moving away from us.
Analyzing the spectrum of a star, or galaxy, can provide some useful information, including the temperature of a star, whether a star or galaxy is moving towards us or away from us, and the chemical composition.
Super Galaxy Gurren Lagann
It is not correct to talk about "the" Seyfert galaxy - Seyfert galaxies are a type of galaxy.
A Seyfert galaxy is a spiral galaxy with an active core.
Yes. A Seyfert galaxy is a type of spiral galaxy, but with an active nucleus.
Seyfert Galaxy
Most of the energy from a Seyfert Galaxy comes from invisible raio and infrared radiation.
3C 153 is a Seyfert galaxy located in the constellation Auriga.
A spiral galaxy with a small, compact, bright nucleus that exhibits variable light intensity and radio-wave emission.
* M15 - a globular cluster near the nose of Pegasus. * NGC 7742 - a Type 2 Seyfert galaxy.
Spiral galaxy.
Our Milky Way has a supermassive black hole at its nucleus. It is an active radio source. It is probably not a Seyfert galaxy, which is a galaxy of a type characterized by a bright compact core that shows strong infrared emission, though.
Nothing special - Just like most large galaxies, they are thought to have a super massive black hole at the centre of the galaxy.
It will be blue shifted