Science

Which is the heaviest planet?
Jupiter

Which is the brightest planet?
Venus

Which is the lightest planet?
Mercury

Who was the first to prove the Copernican theory of solar system?
Kepler

Which is largest satellite in the solar system?
Titan

Which is the only satellite that is proved to have atmosphere?
Titan

Which is the fastest orbiting planet?
Mercury

Which planet is the closest to earth?
Venus

Which is the planet that rotates backward?
Venus

Which planets atmosphere is similar to that of earth’s?
Mars