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Chemistry / Re: Ammonium perchlorate
« on: 08/01/2024 20:17:30 »@Paul
Whatever this Ammonium Perchlorate is...
Is it Toxic &/Or Explosive?
probably toxic.
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probably toxic.
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Question of the Week / Re: QotW - 22.09.05 - Why are black holes at the centre of galaxies?
« on: 01/09/2022 13:05:07 »
One day I watched a video about how black holes and planets are formed. And the voice in the video mentioned that all planets and black holes begin with a spin. Something happens and everything starts to rotate in one place (like pool water going to the drain) until certain temperatures met and then planet is formed. For black hole to appear needs a lot of heat thousands of degrees. Dont remember. For a planet to form needs less, like 18,000 C. What happens during this, no idea. What spins around in that place, no idea. Why it start to spin, no idea.
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