Recent comments in /f/space

Mando-Lee t1_j2cd8bu wrote

Reply to Question by Psychological_Wheel2

We can filter water to get all the toxins and impurity’s out. Salt water is the difficult one, to convert to fresh water.

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sterexx t1_j2cd3dd wrote

Reply to comment by CrayonDelicacies in Question by Psychological_Wheel2

That’s so awesome

I really enjoyed the tour of this water treatment plant in SF. It doesn’t make potable water, but the effluent looked quite nice compared to what was coming in! Stuff filtered out does get composted, so it’s still producing something useful

My (least?) favorite part though was this image with terrible implications. We’re in this huge room with big pools of sewage where they’re letting solids settle to the bottom and oils to the top. And mounted on the walls are a bunch of life preservers.

The thought still makes me shudder

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Codametal t1_j2ccw7s wrote

Reply to comment by Honest_Switch1531 in Question by Psychological_Wheel2

I was wondering where the concentrated seawater goes. I guess that could offset the fresh water coming from the melting glaciers. Very interesting. Is desalinated water considered fresh water, or processed water?

"Seawater desalination is four times more energy intensive than groundwater collection and over 40 times more energy intensive than water sourced from dams."

And all that energy has to come from somewhere. The website doesn't say, but does each plant have its own wind farm?

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neovb t1_j2ccs5p wrote

Reply to Carl Sagan's Cosmos by [deleted]

Hypothetically, you are asking whether there is a way you can illegally share copyrighted materials. I don't think this is the right forum for that type of thing.

Alternatively, you can just easily buy the boxed set for $35 on Amazon. It's not hard to find...

https://www.amazon.com/Cosmos-Carl-Sagan/dp/B000055ZOB/ref=mp_s_a_1_2?crid=3DRLOSFV4PH1X&keywords=carl+sagan+collector%27s+edition%2C+collector%27s+box+set&qid=1672462372&sprefix=carl+saga+collector%27s+edition%2C+collector%27s+box+set%2Caps%2C142&sr=8-2

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the_fungible_man t1_j2cbm09 wrote

Reply to The most distant spacecraft in the solar system — Where are they now? by jormungandrsjig

>Most of these probes have defied their expected deaths...

Nonsense, but par for the course with space.com.

No one expected New Horizons to be kaput by 2022.

And since it's been known for some time that the Voyagers' RTG power loss wouldn't become critical before 2025, no one really expected them to have "died" just yet either.

Nearly every interplanetary NASA probe has exceeded its original planned mission duration, sometimes by years, sometimes by decades. They rarely succumb to component failure, most often reaching their end-of-life due to power or propellant exhaustion.

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