We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars that make up the Milky Way Galaxy which is one of billions of other galaxies which make up a universe...
Would it be helpful to split the forum questions into level of difficulty (like your courses)? I think that regular forum participants may be able to answer some of the less complicated problems for you. Also, readers may only be interested in topics that are at their learning level.
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