Space

1. Earth

1.1. Earth is the only planet with liquid water on its surface. it is the only planet in our solar system that has life. earth is the only planet in our solar system not to be named after greek or roman deity.

2. Comet

2.1. Comets are icy bodies in space that release gas or dust,They are often compared to dirty snowballs. Comets contain dust,ice,carbon dioxide, ammonia, methane & more.

3. The sun is the centre of our solar system. 1 million earths could fill up the sun. the sun is almost a perfect sphere. Then sun will consume earth about 7.6 billion years from now.

4. Sun

5. Moon

5.1. Our moon is the 5th biggest moon in our solar system. The moon is earths only natural satellite. the moon 4.53 billion years. The average distance