Sfera (satellite)

From Wikipedia, the free encyclopedia

Sfera (TEKh-44) is a small passive satellite deployed during a spacewalk from the ISS in August 2012.[1]

Description[]

Also called the Vektor-T calibration sphere, the Sfera satellite is used to determine the density of the upper atmosphere by measuring how much drag occurs when the satellite passes through it.[2]

TEKh-44 is a shiny sphere 53 cm (20.8 inches) across weighing 14 kg (~31 pounds).[3]

Re-entry[]

It re-entered the atmosphere in late November 2012.[4]

See also[]

References[]

External links[]


Retrieved from ""