Global warming on Neptune’s moon Triton as well as Jupiter and Pluto, and now Mars has some scratching their heads over what could possibly be in common with the warming of all these planets.

In the meantime, some have noticed an interesting relationship between solar activity and temperature proxies via ice cores going back thousands of years:

I still don’t know. Could there be something in common with all the planets in our solar system that might cause them all to warm at the same time?