Explanation

• Seasonal contrasts are highest in the mid-latitudes.
• These regions experience both hot summers and cold winters.
• Located between about 30° to 60° latitude in both hemispheres.
• Variation in sunlight throughout the year is significant here.
• Weather changes are more extreme compared to other regions.

Last verified on 25-04-2026

Explanation

• Venus is the brightest planet.
• It has an atmosphere but no moons.
• It's identical in size, chemistry and gravity.
• It has volcanoes, mountains and sand.
• It's also called Sister Planet of the Earth.

Last verified on 25-04-2026

Explanation

• A comet’s tail becomes visible when it comes closer to the Sun.
• Heat from the Sun causes ice in the comet to vaporize (sublimation).
• This releases gas and dust, forming a glowing tail.
• The tail always points away from the Sun due to solar radiation.
• Comets are mostly made of ice, dust, and rocky material.

Last verified on 25-04-2026

Explanation

• The largest planet in our solar system is Jupiter.
• 5th planet
• 79 known moons (Maximum number of moons)
• The Great Red Spot is a prominent feature
• Giant planet and the fastest-rotating planet 
• Rotates approximately once every 10 hours.
• Age is about 4.603 billion years.

Additional information

• Mercury is the smallest planet of the solar system.

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Last updated by NA on 25-April-2026

Explanation

• A heat engine works between a hot source and a cold sink.
• Efficiency depends on the temperature difference between them.
• Greater the difference, higher the efficiency.
• Maximum efficiency is given by Carnot engine.

Last verified on 14-04-2026