What is the primary component of the solar system?
Which planet in our solar system is known for its unique ability to support life?
How many recognized planets are there in the solar system?
Which celestial body is considered a dwarf planet and was formerly considered the ninth planet in the solar system?
Which planet in the solar system is often referred to as the "Red Planet" due to its reddish appearance?
What is the primary composition of the Sun?
What is one piece of evidence supporting the Earth's sphericity?
What phenomenon is responsible for the alternation of day and night on Earth?
Rotation of the earth takes___________
Revolution of the earth takes_________________