[HN Gopher] Overlooked No More: Inge Lehmann, Who Discovered the...
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       Overlooked No More: Inge Lehmann, Who Discovered the Earth's Inner
       Core
        
       Author : Hooke
       Score  : 69 points
       Date   : 2025-12-22 22:44 UTC (4 days ago)
        
 (HTM) web link (www.nytimes.com)
 (TXT) w3m dump (www.nytimes.com)
        
       | wasting_time wrote:
       | https://archive.is/jTCRB
        
       | kasperni wrote:
       | She is not a household name in Denmark. But we do have a big
       | mural of her, here in Copenhagen [1].
       | 
       | [1]
       | https://files.mastodon.social/media_attachments/files/112/99...
        
         | nosianu wrote:
         | I had to look twice, and then check Wikipedia, when I saw
         | "1888-1993" there.
         | 
         | * 13. Mai 1888 in Kopenhagen
         | 
         | + 21. Februar 1993 in Kopenhagen
         | 
         | That's 104 years, 9 months, and 8 days!
        
         | slu wrote:
         | Google Street View link showing the murial:
         | https://maps.app.goo.gl/nfSzrb3CFPKowZ4p9?g_st=ac
        
       | perigrin wrote:
       | All of modern geology stands upon her work.
        
       | tekla wrote:
       | She was hardly overlooked, she won many honours for her work
       | during her time.
       | 
       | > This article is part of Overlooked, a series of obituaries
       | about remarkable people whose deaths, beginning in 1851, went
       | unreported in The Times.
        
       | pfdietz wrote:
       | > It explained how the Earth generates the magnetic field that
       | protects the planet from cosmic radiation,
       | 
       | Our protection from cosmic radiation is mostly due to Earth's
       | thick atmosphere, not its magnetic field.
        
         | nobodyandproud wrote:
         | I don't see any problems with the quote.
        
         | nephihaha wrote:
         | The magnetic field deflects particles from the Solar Wind,
         | whereas the atmosphere blocks a lot of the radiation as I
         | understand it.
        
           | pfdietz wrote:
           | The solar wind != cosmic radiation.
        
         | Qem wrote:
         | Without magnetic fields, the solar wind strips away
         | atmospheres, like what happened to Mars.
        
           | pfdietz wrote:
           | This is questionable.
           | 
           | https://earthscience.stackexchange.com/questions/14915/does-.
           | ..
        
             | Qem wrote:
             | Thank you. I thought that was settled matter.
        
         | andsoitis wrote:
         | > Our protection from cosmic radiation is mostly due to Earth's
         | thick atmosphere, not its magnetic field
         | 
         | Primary defense against cosmic radiation: magnetic field
         | 
         | Secondary defense: atmosphere
         | 
         | https://science.nasa.gov/science-research/earth-science/eart...
        
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       (page generated 2025-12-26 23:01 UTC)