Questions tagged [zond]

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Are Zond 2 and Venera 4 basically the same spacecraft design? What were the differences?

The question Which deep space spacecraft had main dish antennas that were perforated or made from mesh? shows some images of Venera 4, and there's one below. This answer to When did ion propulsion ...
uhoh's user avatar
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7 votes
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Why did the Zond 5 tortoises lose body mass so quickly?

It is well-known that when we are in space for a long time, our bodies lose some mass. My question is how much time would be needed for a person to lose 10% of their body mass? The tortoise inside ...
Alessandro Gregori's user avatar