Questions tagged [ascent]

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4answers
335 views

Why is Soyuz's third stage's engine cutoff the most intense?

Based on the motion and reaction of the cosmonauts, the 3rd stage engine cutoff (cued video) at about T+ 08:46 in this video of a Soyuz ascent causes greater ...
3
votes
1answer
121 views

Estimate of how fast will the Starship/Super Heavy be moving 5 and 10 seconds after liftoff?

I am wanting to make a comparison of the expected initial seconds of the ascent of the Starship/Super Heavy compared to the similar time of the Saturn V ascent. If this chart (from a NASA space math ...
3
votes
1answer
200 views

When during the flights did astronauts use the Valsalva device?

A spongy material is installed to the inside helmets called the Valsalva device (top right in this image) allow astronauts to do the Valsalva maneuver to relieve pressure on their eardrums when there ...