Neptune (Planet)

Neptune is the eighth and farthest known planet from the Sun in the Solar System. In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet. <a href="/c/books/credit/550985/solar-system/">The Solar System</a> <a href="/c/books/credit/499874/mercury-planet/">Mercury</a> <a href="/c/books/credit/499875/venus-planet/">Venus</a> <a href="/c/books/credit/344418/earth-planet/">Earth</a> <a href="/c/books/credit/245344/mars-planet/">Mars</a> <a href="/c/books/credit/499881/jupiter-planet/">Jupiter</a> <a href="/c/books/credit/499893/saturn-planet/">Saturn</a> <a href="/c/books/credit/806748/uranus-planet/">Uranus</a> Neptune (this)