Questions tagged [lander]

Questions regarding devices used to make a controlled descent and touchdown onto another object, usually either to transfer objects, or perform scientific observations.

10 questions with no upvoted or accepted answers
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Engine configuration for lander

Which is a more stable lander design: 1.Single central engine. 2.Multiple engines located near the corners Following is the design for Tianwen-1, the Chinese Mars lander: And following is the design ...
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377 views

How many sundials, Sun compasses and gnomons are there on solar system bodies?

According to https://www.seis-insight.eu/en/public-2/seis-instrument/rweb Sundial Around the handle is a small sundial, which enables geophysicists to estimate the azimuth— i.e. the orientation of ...
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230 views

Why was the origin of the Apollo lunar module coordinate system "underground"?

Even stranger than the origin of the Saturn V coordinate system is that of the lunar module: The X-axis station reference measurements (inches) start at a design reference point identified as ...
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Is there a list of private companies with products on NASA Mars landers?

I'm trying to create a list of all private companies which have their products on the Mars surface. To make it easier, I'm limiting my search to NASA landers. Is there a comprehensive list of NASA ...
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Fate of human-made objects on mars

Now that Opportunity is dead, and since there are ideas for future human missions to Mars, I wonder if there is a project to collect all our rovers and landers or at least label as historical sites ...
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What are the tradeoffs of circularly unfurling solar panel over linearly deploying solar panels?

Martian landers like Phoenix and Insight uses circularly unfurling solar panels. The regular satellites make use of linearly unfurling panels. What are the primary reasons why linear unfurling ...
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137 views

How many solar system bodies have had coherent radio transponders?

A transponder amplifies, (often) frequency-shifts, and rebroadcasts a received signal. Old-style telephone and TV distribution satellites in GEO used simple transponders to rebroadcast the uplinked ...
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Why would TALISE be directed to the shore of Ligeia Mare?

TALISE (Titan Lake In-situ Sampling Propelled Explorer) is a proposed automated boat that would float in a lake called Ligeia Mare on Saturn's moon Titan. I saw an article that said once it touches ...
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How often have dust devils saved a Martian lander or rover?

This answer to How are the Mars Rovers maintained? reminds us that ...much to the surprise of the early Mars scientists and rover teams, Mars takes care of the dust problem for us! Mars' typical ...
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Would the 6.5 ton capable Blue Moon lander fit in New Glenn?

As the 2 massive projects of the same company, are they designed to be compatible for NASA's CLPS program ? New Glenn's said to have a 7 m payload fairing diameter but as far as I know, Blue Moon's ...