Explanation

• Mars is known as the Red Planet due to its reddish appearance.
• Its surface contains iron oxide (rust) which gives it a red color.
• It is the 4th planet from the Sun in the solar system.
• Mars has two small moons: Phobos and Deimos.
• Mars is often called the “planet of future exploration”.

Last verified on 12-06-2026

Explanation

• The term "stellar" is used for stars and things related to stars.
• It comes from the Latin word "stella", meaning star.
• In astronomy, stellar objects include stars and star-related phenomena.
• Scientists use the term when studying the formation, evolution, and properties of stars.

Last verified on 11-06-2026

Explanation

• Blue light has the shortest wavelength.
• In the visible spectrum, wavelength decreases from red to violet.

Additional information:

• Red light rays have the lowest frequency and highest wavelength value.

Last verified on 10-06-2026

Explanation

• The SI unit of electrical resistance is Ohm (Ω).
• It measures how much a material opposes the flow of electric current.
• Higher resistance means less current flows.
• It is defined by V = IR (Ohm’s Law).
• 1 Ohm = 1 Volt per Ampere.

Last verified on 10-06-2026

Explanation

• The hottest planet in our solar system is Venus.

Additional information:

• The black planet is called Venus.
• The second-closest planet to the Sun is Venus.
• Slowest Rotating Planet
• No moon
• Similar in size to Earth

Last verified on 30-03-2026