Speak Of The Devil: Aliens? :[

Almost all that is known in astronomy is identified through light. Today, we can analyze light of distant bodies to learn more about them – What they are made of, how hot they are and how fast they are moving. Light is constantly bringing stories about distant objects to Earth. 

Almost all that is known in astronomy is identified through light. Today, we can analyze light of
distant bodies to learn more about them – What they are made of, how hot they are and how fast
they are moving. Light is constantly bringing stories about distant objects ...  عرض المزيد