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Global warming Image Source: NASA Goddard The Earth is getting warmer and warmer, and scientists are now essentially unanimous in their opinion that  humans are to blame , but could other factors also be contributing?  A new study  looked closely at whether or not our sun could also being playing a role in how hot it’s getting here on our planet. As far as the results go, well, if you’re looking something that excuses humanity’s impact on global warming, the sun most definitely isn’t it. DON'T MISS It’s a crime that this $12 accessory doesn’t come with every Fire TV Stick The sun might look the same every day it rises but it actually goes through distinct cycles. Those cycles bring changes to the sun’s overall brightness as well as the production of the dark sunspots that often mark its surface, so it’s logical to wonder if those fluctuations could also be responsible for spikes in temperatures on Earth recorded over the past 100 years. Our planet has seen an overall temperat