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Episodes Tagged with "Delta D"

Posted on November 14, 2013

Geosynchronous satellites have the advantage of remaining permanently in the same area of the sky, as viewed from a particular location on Earth. Geostationary satellites have the special property of remaining permanently fixed in the exact same posi...

270px-Delta_D_Intelsat1

TIROS

Syncom_2_side

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150px-Thor_Delta_B_with_TIROS_8_(Dec._21_1963)

Posted on April 17, 2014

In total Ranger 9 transmitted 5,814 good contrast photographs during the final 19 minutes of flight. The last image taken before impact had a resolution of 0.3 meters per pixel. The spacecraft encountered the lunar surface after 64.5 hours of flight....

Sea of Tranquillity on the Moon from 11 km, 5 seconds before impact

Rilles on the Floor of Alphonus Crater

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Ranger 9

INTELSAT_I_(Early_Bird)

First picture of the Moon taken by Ranger 8

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