Explanation

• Earth is the third planet from the Sun in our solar system.

The order of the planets starting closest to the Sun is:

1. Mercury
2. Venus
3. Earth
4. Mars
5. Jupiter
6. Saturn
7. Uranus
8. Neptune

Last verified on 27-09-2026

Explanation

• Saturn is famous for its prominent and beautiful ring system.
• Its rings are made mainly of ice particles, dust, and rock fragments.

Additional information:

• It is the second-largest planet in the Solar System.
• It is often called the “Ringed Planet.”
• Famous moon: Titan
• Orbital period: About 29.5 Earth years
• It is the sixth planet from the Sun.

Last verified on 27-09-2026

Explanation

• A parameter is a value used to describe or define a system, model, or function.
• It usually remains constant for a particular situation.
• Example: In (y = mx + c), m and c can be parameters.

Last updated: NA on 26-09-2026

Explanation

• Earth is called the Blue Planet.
• About 71% of Earth's surface is covered by water.
• Water makes Earth appear blue from space.
• Earth is the third planet from the Sun.
• Earth’s natural satellite is the Moon

Last updated: NA on 26-09-2026

Explanation

• Wavelength is the distance between successive wave crests.
• SI unit: Meter (m)
• Commonly measured in: Nanometers (nm) and Angstroms (Å)
• 1 nm = 10⁻⁹ m
• 1 Å = 10⁻¹⁰ m = 0.1 nm
• Visible light: Approximately 400–700 nm

Last updated: 20-09-2026 by NA