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The Sun’s core temperature is around 15 million degrees Celsius.

Sun के केंद्र (कोर) का तापमान लगभग 1.5 करोड़ डिग्री सेल्सियस होता है। इतनी अधिक गर्मी पर न्यूक्लियर फ्यूजन होता है, जिसमें हाइड्रोजन के परमाणु मिलकर हीलियम बनाते हैं और बहुत अधिक ऊर्जा उत्पन्न करते हैं।

यह ऊर्जा सूर्य के केंद्र से सतह तक पहुँचने में हजारों साल लेती है, लेकिन जब यह प्रकाश के रूप में बाहर निकलती है, तो पृथ्वी तक पहुँचने में सिर्फ 8 मिनट लगते हैं। यही ऊर्जा पृथ्वी पर जीवन, मौसम और पर्यावरण को चलाती है।

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💡 Did You Know?

The Sun’s core temperature is around 15 million degrees Celsius.

A day on Venus is longer than its year due to its slow rotation.

Jupiter has the fastest rotation in the Solar System, completing a spin in about 10 hours.

Neutron stars are so dense that a sugar-cube-sized amount weighs about a billion tons.

There are more stars in the universe than grains of sand on Earth.

One million Earths could fit inside the Sun.

Saturn could float in water because it is mostly made of gas.

Mars is often called the Red Planet due to iron oxide on its surface.

The Milky Way galaxy is about 100,000 light-years wide.

Black holes have such strong gravity that even light cannot escape.

The Moon is moving away from Earth at about 3.8 cm per year.

Pluto was reclassified as a dwarf planet in 2006.

A year on Mercury is just 88 Earth days.

Neptune has the strongest winds in the Solar System, reaching up to 2,100 km/h.

The largest volcano in the Solar System is Olympus Mons on Mars, about 22 km high.

A spoonful of a neutron star weighs about 6 billion tons.

Venus rotates in the opposite direction to most planets, called retrograde rotation.

Water ice exists on Mercury’s north pole despite high daytime temperatures.

Io, a moon of Jupiter, has over 400 active volcanoes.

Europa, another moon of Jupiter, may have a subsurface ocean beneath its icy crust.

The largest asteroid in the Solar System is Ceres, about 940 km in diameter.

A light-year is about 9.46 trillion km.

The observable universe contains over 2 trillion galaxies.

The largest moon in the Solar System is Ganymede, orbiting Jupiter.

Pluto has five known moons, with Charon being the largest.

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