The first five planets closest to the Sun are Mercury, Venus, Earth, Mars, and Jupiter. Mercury is the smallest planet, but it is the closest to the Sun. The second closest is Venus, which is the brightest object in the sky. Then, there is Earth where we live. It is the home to humans and life.
Next is Mars. This is the planet where many believe aliens reside. This has not been proven, but it does have seasons, which leaves many to believe the idea that the planet has life. Lastly, there is Jupiter, which is a large and fast planet.