Space Exploration,astronomy & Cosmology

Ha ha no. Actually the software I use to compile to code is free of charge. What I did have to pay for was the IDE which was expensive. Also, as you can probably imagine, much of the codebase is designed to be used in more than one system. I'll show you a small example of what an error message handler looks like .

Code:

--------------------------------------------------------
-- check if protocol is sent - if not send an error
-- Rose, Skyla
-- Mar'23
-- Compiles Under: GCC 3.0 GNAT 2023
--------------------------------------------------------

with Ada,Numerics.DescreteRandom;
with Ada.Environment_Variables;
with Ada.Assertions.Assertion_Error;
with Ada.Text_IO;
with Ada.Storage_IO;
with Ada.Libs\""\;
with Ada.Libs\""\;


function Check_For_Pass(Message : String in out, Ada.IO_Exceptions.Mode_Error) return BOOLEAN is
   Fail_State : Constant Boolean := True;
begin
   -- check for connection of ROM
   if not STATUS.DEPLOY = Fail_State then
      Ada.IO_Exceptions.Mode_Error("CONNECTION FOUND!");
      Ada.Environment_Variables.Set(Name => ORBIT_CODE, Value => null );
      return False;
  
   else
      Ada.Storage_IO.Write(Buffer => 1, Value => null);
   end if;
   return True;
    
end Check_For_Pass;[\CODE]

 

In a nutshell, the code instructs the microchips within the landing hardware (which are soldered to the motherboards) how to communite with the team on the ground. Each instructuon (or button pressed if you will) sent by the ground team sends a signal via the computer which then reads the data on the chip (the code I write), which then sends back the result to the computer. It's pretty technical, but that's the gist of it.

 

There are different packages (code bases) that represent each model of spacecraft, satelite and shuttle. Update of legacy (very old) code is always something that needs to be done. If a new launch is issued, much of the older code base from the previous launch is invalid. For example, if the path of a said Satelite is set to launch NW of whatever degrees, that needs programming into the mirochip. One slight mistake can actually end in catastophic failure, hence why we write a lot of the newer code well before the launch date, so it can be tested time and time again, amended if need be.

 

Close, computer science. Rocket science is more the physics of how the rocket moves, accelerates, boosts etc. Computer science is writing the software that tells the rocket (it's interal micro processors) how to carry out each task.

 

I would seriously consider contacting Microsoft if you saw this.

​

 

It depends on the craft and the mission parameters. If an alert is flagged by the ground crew's mainframe system, it would then send arguments (data) to the function parameters which are hard coded into the microchips by the code I have written. This will either do a variety of things, based on the Alert Code sent by the mainframe. Parameters can either shut the engines down, send out an SOS, give the all clear and a lot of other things. A return code of either 1 or 0 (true or false) is then sent returned to the mainframe to indicate if the Alert Code was succesful or not. On your example about returning control to the shuttle/rocket, that is usually handled by a seperate code base that is out of my control. However, no matter what return code is sent to the Main Frame it will be designed to either call the landing/launch protocols, or in the state of emergency, the alert code that is designed to handle whatever the emergency is.

 

​

 

Has it been proven that White Holes exist? I know Einstien believed so, and the concept of them makes sense. They do they opposite of a black hole, by returning time and matter to the universe. I am however not totally sold on them personally, as anything that enters a black hole, matter, material or otherwise, is broken down again and again and can never escape. Unless the white hole has some sort of counter-reaction force that goes against a black hole maybe then it's possible. Interesting concept either way.

 

Over immense time scales it is postulated that black holes shrink by the emitting of Hawking radiation. The immense gravity at the event horizon affects all sorts of quantum properties such that of the entropy going into the black hole some is emitted in the form of this radiation. At some point the black hole cannot absorb other holes or matter and 'evaporates' returning the entropy to the Universe thus not violating the Second Law.

 

Not sure how true this is, but I heard a rumor that the hole in the Ozone Layer will be healed by 2050. 99% of the chemicals responsible for it are slowly being phased out.

 

You could say the same for all space engines. That's part of the reason code is written for new flight paths or updating existing ones months in advance, so it can be tested over and over and when the launch date is confirmed (either by SpaceX or NASA) that;s what is known as a hard deadline. We miss that, it delay's the flight, which is very expensive. In some senarios, the landing software is either updated or written during the flight path, now that is deadline that absolutely must be hit. 99% of the time this happens, it's on a very long fight (Satelites that need an emergency call to return to earth for example).

 

RIP xxx

 

That won't do what you think it does. But my god do I miss BBC BASIC. Nice to see a fellow coder of the 1980's.

REM is a Remark, or a comment, and compilers ignore them. it will print "HERE GIRL" once then when asked to jump back up, probably crash as line 10 contains no execuable code.

I would of done this.

Code:

with Ada.Text_IO;

-- ask Laika to come home...
procedure Ask_Laika is

begin
    Ada.Text_IO.New_Line;

    for COUNT in 1 .. 10 loop
        Ada.Text_IO.Put(Item => "HERE GIRL!");
        Ada.Text_IO.New_Line;
   end loop;
end Ask_Laika;

Not sure what version of BASIC you know, but I love the simplicity of how I do it now (above) to how BASIC does it here...

Code:

10 REM ask Laika to come home
20 FOR N% = 1 TO 10
30 PRINT "HERE GIRL";
40 NEXT N%
50 END

 

For a rocket of that size, it was bound to have teething issues. Fingers crossed the next launch goes past the initital phase.