Off Topic — HabitableZone

Off Topic » in reply to re:That is why said that there seems to be, rather than there is.

Maybe the data you need is here:
podrock — (archived)

http://www.noaa.gov/pastweather.html

Science is based upon observation. Collection of data is part of observation. It is easy to say something is different based upon your memory of a book 40 years ago, it is another thing entirely to collect the data and to quantify in statistical terms that there is a overall change to the "density" of the atmosphere at a single weather station over the past number of years. But that is just one station. To document a global trend in this change would mean doing this for a statistically significant number of different weather stations, selected with a carefully controlled bias.

This is the exact same discussion we have had in interpreting earthquake data. Sure, it's a lot of tedious work to collect and crunch data. But that is science. It's step one.

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