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- Mon Aug 22, 2022 8:36 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Earth's Recent Climate Spiral (2022 Aug 22)
- Replies: 26
- Views: 3745
Re: APOD: Earth's Recent Climate Spiral (2022 Aug 22)
I haven't seen anything here discussing the science of measuring historical temperatures. How does anyone know the temperature in Jan, 1880 by scientific "surface temperature analysis"? Might as well look it up in the newspapers of the day. Going back a bit farther, how do scientists know ...