First you have to ask yourself several questions: what do you want to see, at what time and at what >>
Intercelestial
The Rhythm of Life of Animals and Plants
Animals like plants need the sun and all people will tell you that if the sun is out for weeks, >>
The Calendar
Since everyone has the impression that it is the Sun that revolves around the Earth, men use it to calculate >>
How to Capture The Energy of The Sun?
Sunlight carries energy. If you are a handyman, you may wonder if it is possible to recover this energy and >>
The Strength of Light
You probably think like everyone else that light is immaterial, that you can not touch it or use it as >>
Supercomputer
Supercomputers used in science are the most powerful machines. They make use of HPC (High Performance Computing) technologies, Graphics Processing >>
Disadvantages of Terrestrial Radio Astronomy
The advantage of radio astronomy appears when the light is stopped by the presence of clouds of dust that hide >>
Infrared Astronomy: ALMA, SMA, GBT and other LMT
Several large facilities are now operational in the milli and submillimetric bands. There is ALMA (Atacama Large Millimeter / submillimeter >>
Observatorium Arecibo
It was to solve the problem of spatial resolution that in 1960 William E.Gordon of Cornell University proposed to build >>
The Theoretical Models
Apart from optical telescopes equipped with their detectors and other spectrographs, to carry out their research, astronomers also need theoretical >>