Earth's atmosphere is 5 ppm helium, btw

Space/Science » in reply to Helium in Venus' atmosphere

Earth's atmosphere is 5 ppm helium, btw

nick hoffman — 4/30/2006 12:09:22 AM (archived)

A generation ago, all our helium came from natural gas wells in granitic terrains where helium had accumulated. These days, widespread industrial gas liquefaction provides helium and other noble gasses as a useful side order.

The whole thread (34 posts)

There is a place in the solar system away from Earth (not artificial) where conditions are much more similar to our world than what we find on Mars....Where is it? (n/t) - Raoul - 4/28/2006 8:32:37 PM
- Don't forget under the ice in the Europan ocean.... - nick hoffman - 4/29/2006 6:37:32 AM
  - "And 20+km underground on Mars it's not frozen any more... " - R.L. - 4/29/2006 10:02:09 AM
    - Radioactivity - nick hoffman - 4/30/2006 12:00:09 AM
      - What is your opinion on the 'signs of life' in the Mars meteorite? - R.L. - 4/30/2006 3:52:57 AM
        
        Highly highly unlikely - nick hoffman - 4/30/2006 11:39:13 PM
  - re: Mars and Europa.... - Raoul - 4/29/2006 7:05:00 AM
    - Atmosphere and gravity don't matter... - nick hoffman - 4/30/2006 12:02:09 AM
- A wild guess, Venus? - SteveS - 4/28/2006 11:14:32 PM
  - Well, I was in the neighborhood - SteveS - 4/29/2006 12:13:21 AM
    - re: Venus Express in the news - astroraoul - 4/29/2006 7:49:35 AM
  - re: It's surface is indeed hell, but... - Raoul - 4/28/2006 11:31:01 PM
    - Apparently a Russian idea - Adam - 4/29/2006 11:06:51 PM
    - More realistically in the short term... - Tom Brosz - 4/29/2006 2:30:25 AM
      - Obviously its an airship - Adam - 4/29/2006 10:52:21 PM
- 55km high in the Venusian atmosphere? (n/t) - Doug Ellison - 4/28/2006 11:10:15 PM
  - re: Exactly, Doug! - Raoul - 4/28/2006 11:24:28 PM
    - re: Exactly, Doug! - gbaikie - 4/29/2006 12:13:26 AM
      - re: To breathe - Raoul - 4/29/2006 6:57:42 AM
        
        Of course there's always hydrogen - Adam - 4/29/2006 10:58:54 PM
        
        Helium in Venus' atmosphere - nick hoffman - 4/30/2006 12:06:35 AM
        
        Not so easy to separate - Adam - 4/30/2006 10:01:25 PM
        
        just needs more chilling - nick hoffman - 5/1/2006 12:00:57 AM
        
        that's why I failed chemistry - Adam - 5/2/2006 1:29:14 AM
        
        Speaking of Venus... - ljk - 5/3/2006 4:27:50 PM
        
        Early start - Adam - 5/4/2006 10:35:39 AM
        
        re: Early start - ljk - 5/4/2006 3:54:13 PM
        
        My point is... - Adam - 5/5/2006 11:11:59 AM
        
        re: My point is... - ljk - 5/5/2006 1:56:42 PM
        
        Whole bunch of interesting Venus probe concepts - ljk - 5/4/2006 5:34:18 PM
        
        Earth's atmosphere is 5 ppm helium, btw - nick hoffman - 4/30/2006 12:09:22 AM
- Basidium X? (n/t) - Tom Brosz - 4/28/2006 11:09:14 PM
  - Wow, man... 'shrooms! (n/t) - Fox - 5/1/2006 2:46:09 AM
  - SURVEY SAYS.... - R.L. - 4/29/2006 10:14:02 AM

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