It is actually C. If you check the second video at 15th second you can see the rocket reaching the Mars in the opposition spot.
Just a photo to make clear what is opposition and conjunction
@alexdory my professors advised whenever I have some not common terms in my presentation to introduce it to the listeners. :) with this image it would be easier for people without knowledge of planet positions to understand.
All the best, Cheers :)
Thank you! In the previous article I introduced them before using them, now I tried to introduce them as I used them but I clearly missed this. It's not easy to write for new people. It's noted now :)
Yeah, you're right. I meant to say Method C. Thx.