We are G Roman numeral two. Arabic numeral two Okay. And we divided them by what's called luminosity class. A B stars are next hot. It will be a G where G star and then each category split into 10 other sub categories. So they're the same models that have been used to predict the effects of climate change into the 2100s. The reason why we know that climate change is real and that it's going to continue unless we do something is in part because we're using these models to forecast those effects.
If scientists discovered that we are not alone, what would they do with that information? Neil deGrasse Tyson and Chuck Nice learn about the search for life, habitability around M stars and more with astrophysics professor and author Aomawa Shields.
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Photo Credit: Original ESO/M. Kornmesser (+ background position from original change by Nagualdesign), CC BY 4.0, via Wikimedia Commons
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