Earth 90 Degree Tilt 2024 Schedule. The reason for the seasons is the 23.5 degree tilt of earth’s rotational axis. Uploaded by reddit user lowtuff to mapporn, this map imagines the earth’s biomes if the continents were rotated 90 degrees, with the north pole somewhere in north africa.
They found that 90% of recurring fluctuations between 1900 and 2018 could be explained by changes in groundwater, ice sheets, glaciers, and sea level. Earth’s axis is currently tilted 23.4 degrees, or about half way between its extremes, and this angle is very slowly decreasing in a cycle that spans about 41,000 years.