Liquid mirrors can only point straight up. could magnets solve this problem?
When it comes to telescope mirrors, larger is generally better. The larger your main mirror, the more light you can capture ...
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Who Is Kate Hudson’s Fiance, Danny Fujikawa & What Is Their Relationship History?
Julianne Moore in ‘Great Shock’ After Donald Trump Bans Her Children’s Book ‘Freckleface Strawberry’ From Schools: ‘I Can’t Help But Wonder What Is So Controversial’ ...