Sunday, 12 July 2015

Blazars

Source: Universe Today

Why in news?
Indian Institute of Astrophysics, Bangalore, NASA and several organisations are conducting research to understand location of  the gamma-ray emission site in “blazars”.

What are Blazars?
They are a class of extremely bright objects in the sky now believed to be associated with super-massive black holes at the centre of an active, giant elliptical galaxy. 
Blazars are the highest-energy type of active galaxy and emit light across the spectrum, from radio to gamma rays. 

[Source: Indian Express, 

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