Relate synchrotron radiation to the central engine of active galaxies

What will be an ideal response?


This non-stellar radiation is produced by electrons spiraling in very strong magnetic fields around the accretion disks of supermassive black holes. The magnetic fields cause the radiation to be strongly polarized, and unlike normal thermal radiation, the spectrum gives no clue to the temperature of the disk.

Physics & Space Science

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The balance between electrical and nuclear strong forces is more tenuous in

A) light elements. B) middle size elements like iron. C) heavier elements. D) all of the above E) none of the above

Physics & Space Science

The crust on the near side of the Moon is on average thinner than the crust on the far side, due to our tidal pull on the Moon

Indicate whether the statement is true or false

Physics & Space Science

An oil layer that is 5.0 cm thick is spread smoothly and evenly over the surface of water on a windless day. A light ray from the air above enters the oil at 45° with the normal and then goes into the water

What is the angle of refraction of this ray in the water? The index of refraction for the oil is 1.15, and for water it is 1.33. A) 27° B) 36° C) 32° D) 39°

Physics & Space Science

Where did the asteroid that is believed responsible for the extinction of the dinosaurs hit the surface of the Earth?

A) in Siberia in Russia B) in the desert in Arizona C) in the middle of the Pacific Ocean D) in the Yucatan peninsula in Mexico

Physics & Space Science