Explanation

• Our Solar System is located in the Orion Arm of the Milky Way galaxy.
• It including the Sun and eight planets.
• It consists of about 100–400 billion stars along with large amounts of gas and cosmic dust.

Additional information:

• The Milky Way is a spiral galaxy with a diameter of about 100,000 light-years.
• The nearest large galaxy to the Milky Way is Andromeda, located about 2.5 million light-years away.

Last verified on 11-03-2026

Explanation

• A Neutron bomb mainly releases intense radiation.
• It is designed to kill living organisms rather than destroy structures.
• Buildings and infrastructure remain mostly undamaged.
• Humans, animals, and plants are severely affected.
• Known as an enhanced radiation weapon (ERW).

Last verified on 02-05-2026

Explanation

• Saturn is the second-largest planet in the solar system.
• Ganymede (Moon of Jupiter) is the largest satellite in the solar system.

Planets and Natural Satellites:

1. Mercury: 0
2. Venus: 0
3. Earth: 1 (Moon)
4. Mars: 2 (Deimos, Phobos)
5. Jupiter: 95
6. Saturn: 274
7. Uranus: 27

Last verified on 02-05-2026

Explanation

• The Sun is a star at the center of our solar system with a surface temperature of about 6000 °C (Sun’s core is even hotter, ~15 million °C).
• It provides light and heat, essential for life on Earth.
• The Sun’s energy drives weather, photosynthesis, and climate.

Last verified on 18-03-2026

Explanation

• Sun mass → 1.989 × 10³⁰ kg
• Earth mass → 5.972 × 10²⁴ kg
• Sun ≈ 330,000 Earths
• Sun contains 99.8% of solar system mass
• Earth is only 0.2% of total system mass (approx.)

Last verified on 02-05-2026