| Question | Answer |
| Which star is at the center of our Solar System? | Sun
|
What is the diameter of Sun? | 1,392,684 km (865,374 mi).
| What percent of the solar system’s mass does Sun holds? | 99.8 percent.
| How many stars are in the Milky Way? | more than 100 billion.
| When was Sun born? | roughly 4.6 billion years ago.
| What is the distance between sun and earth? | 92,960,000 miles (149,600,000 km).
| Sun’s Chemical Composition? | 71% of Hydrogen, 26.5% Helium and 2.5% of other elements.
| How much time does sun rays take to reach earth? | 8 minutes.
| Which planet is nearest to the earth? | MERCURY.
| Which planet is known as the Morning Star or the Evening Star? | VENUS.
| What is the diameter of MERCURY? | 3,032 miles (4,879 km).
| What is the diameter of VENUS? | 7,521 miles (12,104 km).
| What is the diameter of EARTH? | 7,918 miles (12,742 km).
| What is the diameter of MARS? | 4,212 miles (6,779 km)
| What is the diameter of JUPITER? | 86,881 miles (139,822 km).
| What is the diameter of SATURN? | 120 536 kilometers
| What is the diameter of URANUS? | 31,518 miles (50,724 km).
| What is the diameter of NEPTUNE? | 30,599 miles (49,244 km).
| What is the diameter of PLUTO? | 2360 kilometers.
| Which is the largest planet in our solar system? | JUPITER
| Which Planet Has the Most Moons? | the planet with the most number of moons is Jupiter with 66 moons
| Which planet is closest to the sun? | name of the closest planet to the sun is :Mercury
| Which Is the Hottest Planet in the solar system? | Venus.
| Which Planets Have Rings around Them? | Saturn,Jupiter, Uranus, and Neptune (4 planets).
| Which is the coldest and smallest of all planets? | PLUTO. |
