Why is the earth an ordinary planet in the solar system

Special life
Ordinary, like other planets, it has no special line in revolution period, autobiography period, density, etc

RELATED INFORMATIONS

1. What are the stars, planets and satellites in the solar system?
2. The three basic layers of the universe () a sun, earth and moon, B galaxies, stars and planets, C galaxies, stars and solar system, D earth, moon and satellites I think it should be B, but the answer is C. is the answer wrong,
3. The earth is the home of human existence, it belongs to () A. Stars B. planets C. satellites D. comets
4. What are the characteristics of the planets and stars in the solar system
5. The earth we live on is a relatively small planet in the solar system
6. Earth solar system Milky Way universe star star system which big
7. The earth is one of the most important planets in the solar system, but there is only life on the earth in the solar system. Do you know why?
8. Solve the equation about X: X2 - (P2 + Q2) x + PQ (P + Q) (P-Q) = 0
9. If P and Q are two real roots of the equation x2 + (m-2) x + 1 = 0, then (1 + P2 + MP) (1 + Q2 + MQ)=
10. If p2-p-1 = 0, 1-q-q2 = 0 and PQ ≠ 1, then the value of PQ + 1q is () A. 1B. 2C. 12D. 2−12
11. It shows that the earth is an ordinary planet in the solar system
12. How to explain that the earth is an ordinary planet in the solar system
13. As a special planet in the solar system, the earth mainly displays in the following aspects A is the most massive of the eight planets B has the temperature, atmosphere, water and other conditions suitable for life C has both rotation and revolution D is the smallest planet in the solar system
14. The earth is a special planet in the solar system A. the sunlight is stable for a long time B stars revolve around the sun in the same direction The structure and motion characteristics of C earth are special D the earth is suitable for living and reproducing
15. The earth is a common and special star in the solar system______ ．
16. The earth is a common and special star in the solar system______ ．
17. The speed of light is about 3 * 10 ^ 5 kilometers per second. It takes 10 years for the light emitted by a star to reach the earth. If the speed of light is 3.1 * 10 ^ 7 seconds per year, how many kilometers is the star from the earth?
18. The speed of light is about 3 × 10 5 power kilometers per second. It takes 12 years for the light emitted by a star to reach the earth. If the speed of light is 3.1 × 10 7 power seconds per year, how many kilometers is the star from the earth?
19. How long does it take to get from the moon to the earth at the speed of light
20. How long does it take to get to the moon by the fastest spaceship now RT