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For questions discussing trajectories taken by rockets during launch.

37 votes

Do simulator games use a realistic trajectory to get into orbit?

I understand the reasons behind each of this manouveurs, however I'm wondering if this is how real rockets get into orbit. Cutting off the engine and letting the rocket loose vertical speed looks cou …
Russell Borogove's user avatar
12 votes
Accepted

Did UAE's Al-Amal (Hope) Emirates Mars Mission (EMM) launch directly into an interplanetary ...

What was the duration of the launch window this day? According to Spacelaunchnow, the daily launch window was instantaneous, but there were daily opportunities from July 15 to August 12. Did it fir …
Russell Borogove's user avatar
7 votes
Accepted

For an Apollo Lunar Module Ascent Stage launch, what is the optimal profile of $\beta$ (or $...

Given some simplifying assumptions (constant thrust, constant gravitational field, flying in vacuum, over flat horizontal surface), which aren't too badly undermined by the lunar ascent case, the line …
Russell Borogove's user avatar
6 votes
Accepted

Was the gravity turn used in early spaceflight?

That section of the Wikipedia article is very poorly written, conflating interplanetary gravity assist in one case with gravity turns (prior to my ruthless edit), and should be in no way considered co …
Russell Borogove's user avatar