Top new questions this week:
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A bit of a strange question that comes from "The Martian" - in Chapter 12 is a sequence about the entire crew waking up and some complaining about it. I would expect that on a 31 day mission every ...
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Are the space suits used in the International Space Station (ISS) and in the Neutral Buoyancy Lab (NBL) same or different? They look similar, but they are used in two different media - one in a vacuum ...
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In the top right of the video of a shuttle launch an astronaut has an open book resting on (attached to?) the left thigh. What was the purpose of this book? The astronaut then seems to take a pen or ...
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From my previous question, you'd have a bad time if it happened. What could cause it to happen, if anything? My parameters are:
The engines must STOP, but not destroy the vehicle simply by having ...
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Im reading about rocket engines and I have a question about is it possible to use fuels in the form of gases than a liquid in a rocket engine?
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BepiColombo is a probe that was sent towards Mercury in October 2018. It will flyby Earth in April 2020, but I would like to know where it is in the meantime. Is there a website that shows where in ...
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I am moving to live on the Moon, I have a solar panel that only makes power when the sun shines on it. I will need to charge batteries to give me power during the lunar night. But I can't figure out ...
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Greatest hits from previous weeks:
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I used to be familiar with the various choices out there for orbital mechanics simulation software. Alas, those days are gone. What are the choices today, preferably sorted by platform?
This ...
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For the purposes of this question, we will consider a "lander" any probe which was sent to the surface of an extraterrestrial body or entered the atmosphere to a point which exceeds an air pressure of ...
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Currently, SpaceX has developed the Merlin 1 family (1B (Falcon 1), 1C (Falcon 9 v1.0), 1D (Falcon 9 v1.1/F9-R/Falcon Heavy), vacuum versions and sealevel versions) which are LOX/RP1 based. ...
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We have it on good authority that Ada is widely used for "safety critical software" on at least the US side of the International Space Station.
Of all the possible languages to choose from, what are ...
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The term suicide burn occasionally comes up in answers and comments, usually without any real explanation or definition.
What is meant by the term "suicide burn"?
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Apart from the obvious answer that it'd take too long to get the booster back across the Atlantic, why doesn't SpaceX leave the main or centre booster in space a little bit longer and guide it to land ...
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I assume that the vast majority of the people who created the software for these missions are now retired (the "space pensioners" of the Voyager mission).
Here's a very good summary of the current ...
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Can you answer these questions?
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I was reading about different sources of propellant for ion thrusters, Xenon being the most common. However, in more recent articles I've found more and more mentions of Solid Iodine being used as ion ...
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During the ascent of STS-135 the astronauts seem to be keeping their elbows up away from their sides with their hands forward. It can be seen throughout the ascent, here are two clips when it ...
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In the video below at about 01:35 Dr. Marc D. Rayman, Chief Propulsion Engineer, NASA JPL mentions that the first time he had heard about ion propulsion was on the Star Trek TOS third season premiere ...
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