If you're in the northern hemisphere, happy #SummerSolstice! Today, thanks to Earth's axial tilt, the apparent path of the sun through the sky reaches its northernmost point, bringing us the longest day of the year (and the #FirstDayofSummer 😎). . . . . . . . . #summer #science #earth #sun #space #weather #solstice #equinox #sunny #temperature #learning #infographic #education #understanding #understand #worldsciencefestival #graphicdesign #information #informative