On which i.p. write software for NASA and Roscosmos?

Question

Programming languages

Si? The rovers are being programmed by the Chinese space agency... And the European
one. What jap?
Is it asm?
Only in C without options for all Cosmo agencies?

Answer 1

The C language has a set of special MISRA C rules that can be followed to write reliable, secure code.
GLONASS satellites write to Modula-2.
In assembler, no one writes anywhere now, because it is impractical. Maximum - assembler inserts to optimize some calculations.

Answer 2

I can tell you about the DRAKON programming language. You will be surprised)