This pattern might be, could be, possibly, somewhat or maybe not be influenced by the earth's orbit, tilt, solar radiation output (maybe not), etc. 3. (realclimate.org)
The team's 2013 Astrophysical Journal study is the current gold standard in determining how a star's total radiation output relates to the location of its habitable zone. (sciencedaily.com)
The study argued that changes in the sun's radiation output played a major role in influencing shifts in Arctic air temperatures — a view at odds with mainstream climate science, which fingered atmospheric carbon dioxide as a bigger player. (sciencemag.org)