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(1965) Zond 2 was an automatic interplanetary station launched from a Tyazheliy Sputnik (64-078A) in Earth parking orbit towards Mars to test space-borne systems and to carry out scientific investigations. The probe carried a descent craft and the same instruments as the Mars 1 flyby spacecraft: a magnetometer probe, television photographic equipment, a spectroreflectometer , radiation sensors (gas-discharge and scintillation counters), a spectrograph to study ozone absorption bands, and a micrometeoroid instrument. The spacecraft had six experimental low-thrust electrojet plasma ion engines that served as actuators of the attitude control system and could be used instead of the gas engines to maintain orientation. Power was provided by two solar panels.

Zond 2 took a long curving trajectory towards Mars to minimize the relative velocity. The electronic ion engines were successfully tested shortly after launch under real space environment conditions over the period December 8-18, 1964. One of the two solar panels failed so only half the anticipated power was available to the spacecraft. After a mid-course maneuver, communications with the spacecraft were lost in early May, 1965. The spacecraft flew by Mars on 6 August 1965 at a distance of 1500 km and a relative speed of 5.62 km/s.

nasaimages.org/luna/servlet/detail/nasaNAS~20~20~120437~2...
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来源 Zond 2
作者 NASA on The Commons
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本图原来发表于Flickr,作者为NASA on The Commons,网址为https://www.flickr.com/photos/44494372@N05/7651154060;经FlickreviewR于2013-01-20 12:51:34审查后,确认本图以No known copyright restrictions释出,相容于维基共享资源。然而上述的授权条款与来源处不同,因而无法确定本页所提供的授权条款是否有效。

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Soviet Zond 2 space probe

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出版日期:​8 12 2021

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当前2013年1月20日 (日) 12:392013年1月20日 (日) 12:39版本的缩略图494 × 600(78 KB)Dzlinker== {{int:filedesc}} == {{Information |Description=(1965) Zond 2 was an automatic interplanetary station launched from a Tyazheliy Sputnik (64-078A) in Earth parking orbit towards Mars to test space-borne systems and to carry out scientific investigatio...

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