Discover and read the best of Twitter Threads about #earthcore

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Why doesn't the Earth's core melt the entire planet?

The temperature of our planet's core is comparable to the surface temperature of the Sun, about 6,000°C.
#earthcore #temp #sun
It is only 3,000 kilometers away, but this heat does not reach us. One reason is the layer of solid rocky mantle, which surrounds the core and is an excellent thermal insulator.
But the main reason is the difference between heat and temperature. Simply put, heat is energy. And temperature is the density of that energy, that is, the amount of energy that is put into an object of a certain size.
Read 4 tweets
Daily Bookmarks to GAVNet 01/27/2022…
We are Black and Indigenous front line workers. Our own parents died of COVID-19 in Canada’s inequitable health system | The Star…

#CanadianHealthCareSystem, #BlackAndIndigenousPopulations, #FrontLineWorkers, #COVIDDeath, #TreatmentInequality
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