Hello all, we just had an amazing lecture by Gamma Ray specialist Dieter Hartman, here are some facts he enlightened us with.

	• Gamma rays help with magnitude of supernova such as brightness.
	• There is a large variety of gamma ray sources.
	• Sun has magnetic field on its surface same as Earth.
	• Sunspot is place on sun where it is higher then rest of sun. 
	• Gamma ray waves are so small yet have so much energy that instead of reflecting off a mirror it penetrates the mirror and is absorbed.
	• It is hard to make a lens or a mirror for gamma rays because of this limitation.
	• Gamma rays are harmful to humans. You need a thick shield or protection over your body to protect the gamma rays from penetrating.
	• Because of danger gamma rays could be used as a weapon in a gamma beam
	• The more complex the organism the more damage done  by radiation.
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