Questions tagged [waste]

Questions about waste products generated from human activity or supporting a human environment

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3
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1answer
194 views

Will the Artemis lunar landers provide some privacy?

As we learned in Did astronauts on the moon poop in front of each other the Apollo lunar landers provided no privacy. The Artemis missions will have members of both sexes, so privacy becomes a bit ...
49
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3answers
15k views

Did Apollo leave poop on the moon?

If you google the question, you will find an abundance of sources discussing the alleged fact that the Apollo missions left bags of fecal matter on the moon. A conversation on reddit got me looking ...
20
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1answer
4k views

What were the “pills” that were added to solid waste in Apollo 7?

In the BBC News Worldservice podcast 10, 9, 8, 7: The dramatic missions that made the Moon landing possible told by retired astronaut Nicole Stott (Expeditions 20, 21, STS-128 and STS-133) after ...
5
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1answer
334 views

Did any Apollo astronaut remain disrobed to simplify his waste disposal? $\;$

This comment claims As I recall, at least one of the Apollo crews spent much of the transit time au naturel due to the hassles of waste management. Is this true to any extent? (As @OrganicMarble ...
0
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1answer
167 views

Are there any photographs of the frozen waste water after a urine dump in space?

Astronaut Mike Massimino talks about watching the urine freeze outside of the spacecraft. He said they would all watch, it was something beautiful to see. Are there any photographs of this, or has ...
3
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1answer
143 views

Pressurized Organic Oxygen Pods

Human waste could be used in a hydroponics facility to grow algae in space or Mars in pressurized tanks, and the photosynthesis can be used to convert CO2 to breathable oxygen. A carbon dioxide ...
15
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3answers
3k views

Did astronauts on the moon poop in front of each other?

I know about the Apollo pooping bag. The question is, in the CSM, was there any space to use it privately? I suppose while coasting towards the Moon they could use the LM, but on the return trip? Any ...
3
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1answer
148 views

Current and near-future space suit odor reduction technology

Fox News' Bill Nye says Mars colonies won't happen: 'Are you guys high?' gives some highlights of science educator Bill Nye (The Science Guy)'s thoughts on Mars, moving there, living in artificial ...
6
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1answer
448 views

What is in ISS's waste product “brine”, and how is it disposed?

According to the Space.com article Astronaut Says It 'Smells Great' Inside the International Space Station (Video): "We want to increase the level of recycling wastes beyond what we do on the ...
5
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2answers
172 views

How does methane waste produced by the ISS interact with our Atmosphere?

The ISS uses a Sabatier reactor to recover oxygen from carbon dioxide. This has an output product of methane. I would imagine that most methane that enters our atmosphere at ground level only reaches ...
126
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4answers
31k views

Nudism in space: Why wear clothes anyway?

Currently, doing laundry in microgravity is an unsolved engineering problem. The result is that clean clothes on the International Space Station have become a consumable resource. Clean clothes get ...
5
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1answer
1k views

What caused John Glenn to see what he described as “fireflies”?

What caused John Glenn to see what he described as "fireflies"? I've heard three different explanations. If it's true that it was pee and sweat, could you explain how and why it was collected, and ...
42
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1answer
5k views

Why vent $CO_2$ and $H_2$ waste products to space on ISS?

In this answer, it's mentioned that waste $CO_2$ and $H_2$ from the Environmental Control and Life Support Systems (ECLSS) are vented into space from ISS. Are there no other uses for this material ...
11
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1answer
164 views

What considerations have been made for waste produced during colonisation?

Has there been any practical investigations into potential resources to make colonisation as waste less as possible? Obviously I don't expect colonisers to be throwing crisp packets on the floor or ...
8
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2answers
451 views

Could waste methane be recycled as propellant on the ISS?

Under standard condition methane burns with oxygen in stoichiometric ratio of 1:2 to liberate 891 kJ/mol of energy. Why is the ISS not making use of the methane, which is expelled as waste instead? ...
9
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1answer
1k views

What happens to waste on the ISS?

I was thinking, and those little plastic bags that hold the astronauts' food have to go somewhere. Where do they go? Are they compacted into a big cube like on WALL-E, and sent out into space, or are ...
12
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2answers
1k views

What is the most sustainable method of recycling (human) solid waste on a manned space vessel?

After reading and answering James Jenkins's interesting question on wiping in space, I was curious about the usage of solid waste on a manned space vessel. In his question he mentions recycling solids ...