Questions tagged [computer]
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Computer Systems onboard Europa Clipper
Is known which Computers Europa Clipper will be using? I'm guessing it will be RAD750 again, but I couldn't find any official sources.
Thanks for the help
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Calculating and Drawing the orbit of a body in a 2D gravity simulation in python
I'm making a space exploration game and its in a 2d plane so no z axis, and I'm using Newton's law of universal gravity, I would really like to calculate anddraw the predicted trajectory of a body, ...
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What kind of hardware and software does the James Webb space telescope computer use?
What kind of software, operating system, database, processor, architecture, antenna used for communication back to Earth, basically what computer does it use.
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Apollo Guidance Computer (AGC) Compiler?
I found a brochure by Raytheon about the Apollo Guidance Computer.
A compiler was announced for the AGC.
As far as I know the AGC was programmed in assembler only. What kind of high level language ...
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Were both Computers active during the Landing of Curiosity and Perseverance
Curiosity and Perseverance have 2 redundant computers, during surface operations, only one is active at a time, while the other one is there as a spare.
Now I'm wondering if during landing they ...
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Smallest free memory space in early space crafts equipped with a computer?
Early space crafts used magnetic memory, semiconductor memory was not available. Memory size was very small, the program was written in assembler language. Programmers worked hard to fit all necessary ...
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First multiprocessor in space?
Similarly to
The first transistors in space: Germanium or Silicon? What about in orbit?
First LED left on another planet⁺ by humans? w/list of space electronic "firsts" questions
First TTL ...
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First TTL chip in space and in orbit? Was it a 7400 series or something that predates?
Similarly to
The first transistors in space: Germanium or Silicon? What about in orbit?
First LED left on another planet⁺ by humans? w/list of space electronic "firsts" questions
what was ...
- 149k
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If the Voyagers' lowest playback speed is 7200 bits per second, how can it transmit to Earth at only 160 bps?
How to calculate data rate of Voyager 1? mention's Voyager's data rate is currently 160 bits per second, and clicking on a recent entry in the Voyager DSN Tracking Schedule
on the Voyager Mission ...
- 149k
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Did the Voyager spacecraft use a Golay, a Reed-Solomon and/or a Hamming code for data transmission encoding for error correction? (Need clarification)
The now-famous answer to How is stacking oranges in 24 dimensions related to receiving and decoding signals from the Voyagers? is worth stopping now here and going back and reading first.
Okay welcome ...
- 149k
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What Voyager spacecraft hardware performed transmitted data coding in such a complicated way? Did ground decoding use “a big monster filling a rack”?
The now-famous answer to How is stacking oranges in 24 dimensions related to receiving and decoding signals from the Voyagers? is worth stopping now here and going back and reading first.
Okay welcome ...
- 149k
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What CPU does China's Zhurong rover use?
The Curiosity and Perseverance rovers, and the InSight lander, all use the BAE RAD750 processor.
The Ingenuity helicopter uses a Qualcomm Snapdragon 801 processor.
The only other active spacecraft on ...
- 48.1k
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What DID NASA do with "the world's largest quantum computer"? (re question from 2013)
@TildalWave's 2013 question What does NASA plan to do with the world's largest quantum computer? has several answers, including one in a comment:
Maintaining this computer is expected to bring ...
- 149k
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Rad-Hard vs Space-Hard computing
Radiation hardened CPUs like RAD750 are radiation hardened for up to 1000 gray. Cool. But, as CPUs have advanced way ahead their mechanical counterparts in miniaturization and fragility, energy ...
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What makes Insight's RAD750 processor so radiation resistant? (compared to 1998 iMac's PowerPC 750)
Gizmodo's A 1990s iMac Processor Powers NASA’s Perseverance Rover references NewScientist and says:
However, there’s a major difference between the iMac’s CPU and the one inside the Perseverance ...
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