From: csampson@inetworld.net (Charles H. Sampson)
Subject: Re: Curiosity rover on Mars
Date: Fri, 10 Aug 2012 00:30:23 -0700
Date: 2012-08-10T00:30:23-07:00 [thread overview]
Message-ID: <1kol4tr.1b8nqtcyfbznmN%csampson@inetworld.net> (raw)
In-Reply-To: 91c0b518-899a-473f-96f8-2df630094412@googlegroups.com
Jeffrey R. Carter <ggsub@pragmada.co.cc> wrote:
> On Wednesday, August 8, 2012 7:41:05 AM UTC-7, Peter C. Chapin wrote:
> > The Curiosity rover successfully landed on Mars earlier this week.
> > Congratulations to NASA and to all those who worked on the daring and
> > controversial new landing system---which apparently worked perfectly. I
> > saw a NASA video that mentioned that there was 500,000 lines of code in
> > the EDL (Entry, Descent, and Landing) system. Does anyone happen to know
> > if there is any Ada on board that spacecraft?
>
> According to
>
http://programmers.stackexchange.com/questions/159637/what-is-the-mars-
curiosity-rovers-software-built-in
>
> it's in C, possibly "mostly auto-generated".
If you watch one of the 5-minute-long NASA animations of the
landing sequence on YouTube (search for "Seven Minutes of Terror"), a
screen goes by with the text "500,000 L1NES OF COD3". I initially
though COD3 was some sort of special purpose language that NASA created
to fit the requirements of spaceflight. Then I noticed the '1' in L1NES
and now I suspect that they were probably just being cutsy with the
text. Does anyone know?
Charlie
--
Nobody in this country got rich on his own. You built a factory--good.
But you moved your goods on roads we all paid for. You hired workers we
all paid to educate. So keep a big hunk of the money from your factory.
But take a hunk and pay it forward. Elizabeth Warren (paraphrased)
next prev parent reply other threads:[~2012-08-10 7:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-08 14:41 Curiosity rover on Mars Peter C. Chapin
2012-08-08 18:31 ` Jeffrey R. Carter
2012-08-09 5:23 ` Per Sandberg
2012-08-09 7:31 ` Dmitry A. Kazakov
2012-08-09 8:55 ` Nasser M. Abbasi
2012-08-09 15:37 ` Yannick Duchêne (Hibou57)
2012-08-10 20:32 ` Peter C. Chapin
2012-08-10 7:30 ` Charles H. Sampson [this message]
2012-08-30 11:27 ` Stephen Leake
2012-08-30 17:52 ` Jeffrey Carter
2012-08-30 19:34 ` johnscpg
2012-08-10 13:03 ` Nasser M. Abbasi
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