Questions tagged [space-sickness]

Space sickness is a form of motion sickness that occurs when the vestibular system makes feel the move of the body, but movement can't be seen by eyes. Question with this tag are related to space traveling aspects and involvements of this condition.

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12 votes
2 answers

Is the vestibular system ever useful in spaceflight?

The Vintage Space video Eleven Deaf Men Helped NASA Leave Earth describes a number of different NASA experiments done on human subjects who had damaged vestibular systems due to childhood illness. ...
16 votes
1 answer

What was the space helmet "vomit port"?

Based upon centrifuge test results, MSC directed Hamilton Standard to modify the space suit helmet. The vomitus port and other obstructions to the line of sight in the downward direction were deleted....
9 votes
1 answer

What does the Moon's gravity feel like? If you don't move, could you still tell you're on the Moon?

I am interested in descriptions and discussion from the Apollo astronauts. Almost all animals and many plants are sensitive to the earth's gravitational field. This is important for large mammals and ...
6 votes
1 answer

Does space sickness determine when astronauts have their last meal?

During the shuttle program how long before launch would an astronaut eat? With almost 50% of astronauts experiencing space adaptation syndrome, and the possibility of vomiting, did the astronauts ...
4 votes
1 answer

Space adaptation syndrome compared to BPPV (vertigo)

Has there ever been any discussion comparing the typical SAS experience and benign paroxysmal positional vertigo (when tiny calcium particles clump up in canals of the inner ear). Having recently ...
4 votes
1 answer

Is the term 'lead head' used by astronauts?

In an article on the website, the author states "Very few astronauts have what's called the 'lead head'--immune from space adaptation syndrome or space sickness." I couldn't find any other ...
7 votes
1 answer

How soon was the Garn scale of nausea established after the senator's spaceflight?

Then-Senator Jake Garn flew on Shuttle mission STS-51-D in April 1985. He developed the worst documented case of space adaptation syndrome, for which an informal unit of space sickness was named ...
1 vote
1 answer

ACES helmet and space sickness

I thought I read somewhere that when astronauts removed the ACES helmet it often exacerbated space sickness. ACES (Advanced Crew Escape Suit)-the orange suit worn during shuttle launches Is there ...
5 votes
1 answer

What makes Space Adaptation Syndrome worse?

Are there any particular movements or activities that exacerbate SAS, space sickness?
14 votes
1 answer

Do the majority of astronauts experience space sickness while adapting to micro-gravitational conditions?

Do the majority of astronauts (and cosmonauts) experience nausea, or symptoms of space sickness while adapting to micro-gravitational conditions? How severe are their symptoms and how much they vary ...
4 votes
1 answer

Do we have motion sickness in zero gravity? [duplicate]

In zero gravity, the vestibular system (which is responsible for feeling the balance) doesn't work since the fluids in it don't move properly in absent of significant gravitational force. Does it also ...