astronautics

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50 years from first artificial satellite, Sputnik 1 (04 Oct 1957)

stvasile @stvasile (7306) • Romania 4 Oct 07

Russia launched its appropriately-named Sputnik — meaning "fellow traveler" — fifty years ago today. The world's first artificial satellite was unmanned, weighed 183 lbs. (83 kg.) and circled the globe every 96 minutes. Sputnik...

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Astronautics

kapilgoela123 @kapilgoela123 (134) • India 3 Nov 06

Astronautics is that area of engineering and technology which is concerned with spaceflight. The discipline encompasses several technical fields, including astrodynamics, propulsion, structures, power supplies, thermal control,...

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Astronautics-principles Of Astrodynamics

kapilgoela123 @kapilgoela123 (134) • India 3 Nov 06

PRINCIPLES OF ASTRODYNAMICSThe few physical principles underlying the study of spacecraft motion are elementary in their basic form. Sir Isaac Newton first formalized the physical laws that determine the motion of a spacecraft:...

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