Echo II

Autor:

NASA

Credit:

Great Images in NASA Description

Krótki link:

https://plwiki.pl/b/c399b

źródło:

Wikimedia Commons

Wymiary:

2798 x 2280 Pixel (7112828 Bytes)

Opis:

Shown here is the 135-foot rigidized inflatable balloon satellite undergoing tensile stress test in a dirigible hangar at Weekesville, [sic] North Carolina. The satellite, 50 times more rigidized than Echo I was placed into orbit as a passive communications experiment by NASA on January 25, 1964. When folded satellite is packed into the 41-inch diameter canister shown in the foreground.

Licencja:

Public domain