Update stargazer/README.md, nbody/README.md

nbody/README.md

@@ -14,3 +14,5 @@ Execute with:
  ./sim [number of steps] [delta T]
 ```
 All of the locations will be printed to a file named output, as of right now the recording intervall has to be set in the source code. 
+This program is able to calculate about 300 Million Steps of the solarsystem (Sun + 8 Planets) in about 90 seconds on an Intel i5-10300H.
+

stargazer/README.md

@@ -15,20 +15,35 @@ make
 ./stargazer <name-to-logfile>
 ```
 
-You can find samples in the `/samples`directory. 
+You can find samples in the `/samples` directory. 
 
 # Controls 
 
 `SPACE` Pause/ Unpause 
+
 `.`     Speed up time
+
 `,`     Slow/ Reverse time
+
 `c`     Toggle trajectory trace
-`n`     Shorter trace
-`m`     Longer trace
+
+`n/ m`     Shorter/ Longer trace
+
 `k/ l`  Scale the scene
+
 `o/ p`  Scale the size of the objects
+
 `right/ left arrows` Increase/ Decrease movement speed
 
 Use the mouse/ touchpad to look around. 
 
+# Screenshots
+![](screenshot/solar_system.png "")
+
+![](screenshot/chaosI.png "")
+
+![](screenshot/chaosII.png "")
+
+
+