Science Fair Project Encyclopedia
Helios probes
The Helios deep space probes were launched in the mid 1970s by the Federal Republic of Germany with the co-operation of NASA.
There were two in the series, Helios I and Helios II. They were launched to orbit and measure the Sun. They also set the a speed record for spacecraft at 252,800 km/h.
The name Helios has also been used for a NASA experimental aircraft, the Helios Prototype, and a French military photo-reconnoissance satellite, the Helios 1B.
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Last updated: 08-13-2005 05:25:08
10-26-2009 08:16:03
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details
The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details