Color blindness is the inability to discriminate certain colors visually. It may be complete, in which case there is no color sensation and vision is described as monochromatic, or partial where some color discrimination in certain regions of the spectrum is present.
The classic Meteor was the ideal starter air rifle, mid power range of 8 to 9 ft pounds energy, a great stock that seemed to suit whoever picked it up, a good sensitive trigger, add to that its lightweight of around six and a half pounds and its inherent accuracy...BSA had a sure fire winner on its hands!
The Earth observation satellites ERS-1, ERS-2 and Envisat of European Space Agency as well as the MetOp spacecraft of EUMETSAT are all operated at altitudes of about 800 km.The Proba-1, Proba-2 and SMOS spacecraft of European Space Agency are observing the Earth from an altitude of about 700 km.To get (nearly) global coverage with a low orbit it must be a polar orbit or nearly so.he Proba-1, Proba-2 and SMOS spacecraft of European Space Agency are observing the Earth from an altitude of about 700 km. To get (nearly) global coverage with a low orbit it must be a polar orbit or nearly so.