Physics symbols[⚛] in LaTeX

Pentagon symbols[⬟,⬠] in LaTeX

Hexagon symbol[⬡,⬢,⬣]in LaTeX

Circle symbols[○,●,◍,◗,◔,◙,⦿] in LaTeX

Astronomical Symbols[☿,☉,♂,♃,♆,⊕]in LaTeX