Explanation

• The Big Bang Theory was proposed by Georges Lemaître in 1927.
• He suggested that the universe began from a highly dense state.
• His idea was called the “Primeval Atom” theory.
• The theory explains the origin and expansion of the universe.

Last verified on 25-06-2026

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 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

Explanation

• Neptune is the farthest planet.
• It was visited by the spacecraft Voyager 2.
• It's is a very windy place.
• It has six rings.
• It has 14 moons.

Last verified on 24-06-2026

Explanation

• The weight of a body on Earth is the gravitational force acting on it.
• Since the body already weighs 51 N on the surface of Earth, its weight on Earth remains 51 N.
• Formula: Weight = Mass × Gravity (W = mg).

Last verified on 24-06-2026