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Assume the following thought experiment: The Earth circling the Sun at a cozy distance of 1 AU (around 150 million km) suddenly stands still and doesn't move anymore. The only force left on the Earth is now the Sun's gravitational pull. How long will it be until we crash into the Sun?

Let's calculate how many atoms are in a SiC stardust grain and use python to do so!

Sooner or later, most scientist have to automate certain tasks. It is generally advisable to leave such repetitive things that can be automated to the computer. Here we have a look at tools that might help with this task.