Name the star which remains fixed at the same place in the sky in the North.
With this new idea of variables, Tina was gazing at the stars when the North Star caught her attention. When she asked Ramses about that bright shiny piece in the sky, she found out that position of that star is fixed. Which part of algebraic expressions exhibits similar characteristics as a North Star?
Two constellations are seen in the sky having seven prominent stars in each; name the constellation which appears during winter?