Article Detail Which is the brightest planet ? Answer: Venus Similar Questions : 1. Which is biggest planet ? Answer: Jupiter 2. Which is the lightest metal ? Answer: Lithium 3. Which is longest river in world ? Answer: Nile, Africa 4. Which is Largest forest state of India ? Answer: M.P. 5. Which is the deepest lake of the world ? Answer: Lake Baikal 6. Which is Largest Dome in World ? Answer: St. Peter's Basilica (Rome) 7. Which is the Densest populated State of India ? Answer: West Bengal Read more from - Longest and Largest