الجموعة الشمسية: The Solar System Quiz

الجموعة الشمسية (The Solar System)

Definition: الجموعة الشمسية is a collection of celestial objects that orbit around the Sun, including eight planets, dwarf planets, asteroids, comets, and other smaller bodies.

The Sun:

• The center of the solar system
• A star that provides light and heat to the planets
• Comprises 99.8% of the total mass of the solar system

The Planets:

1. Mercury:
   • Closest to the Sun
   • Smallest planet
   • Highly elliptical orbit
2. Venus:
   • Hottest planet
   • Thickest atmosphere
   • No moons
3. Earth:
   • Third planet from the Sun
   • Only known planet to support life
   • One large moon
4. Mars:
   • Known as the Red Planet
   • Rocky terrain
   • Two small moons
5. Jupiter:
   • Largest planet
   • Gas giant
   • Many moons (79 known)
6. Saturn:
   • Second largest planet
   • Gas giant
   • Known for its ring system
   • Many moons (62 known)
7. Uranus:
   • Ice giant
   • Tilted axis
   • 27 known moons
8. Neptune:
   • Farthest planet from the Sun
   • Ice giant
   • 14 known moons

Dwarf Planets:

• Pluto
• Eris
• Ceres
• Haumea
• Makemake

Other Objects:

• Asteroids (found in the asteroid belt)
• Comets (originating from the outer solar system)
• Kuiper Belt (a region of icy bodies beyond Neptune)
• Oort Cloud (a distant, spherical shell of icy bodies)

Formation:

• The solar system formed around 4.6 billion years ago from a giant cloud of gas and dust
• Gravity caused the material to collapse, forming the Sun and the planets

Test your knowledge of the solar system, including the Sun, planets, dwarf planets, asteroids, comets, and other celestial bodies. Learn about their formation, characteristics, and more.