Category: Uncategorized

🌍 1. Terrestrial (Rocky) PlanetsMade mostly of rock and metal.Have solid surfaces.Smaller in size compared to gas giants.Examples: Mercury, Venus, Earth, Mars

☁️ 2. Gas GiantsHuge planets mostly made of hydrogen and helium.No solid surface, thick atmosphere.Examples: Jupiter, Saturn

❄️ 3. Ice GiantsMade of heavier elements like water, ammonia, and methane ices along with hydrogen & helium.Examples: Uranus, Neptune

🌑 4. Dwarf Planets Smaller than regular planets but orbit the Sun.Not large enough to clear their orbital path of debris.Examples: Pluto, Ceres, Eris, Haumea, Makemake

🪐 5. Exoplanets (Outside our Solar System)Scientists classify them further into subtypes:Super-Earths → Rocky planets larger than Earth.Mini-Neptunes → Smaller versions of Neptune.Hot Jupiters → Gas giants orbiting very close to their star.Ocean Planets → Covered mostly in water.Rogue Planets → Floating in space without orbiting a star

1. Universe – Everything that exists.

Galaxy Superclusters – Largest structures; Hercules–Corona Borealis Great Wall spans 10 billion light-years.

Galaxies – Massive star systems; IC 1101 is one of the biggest.

Stars – UY Scuti is about 1,700 times the Sun’s size.

5. Black Holes – TON 618 has 66 billion solar masses.

Planets – Jupiter is the largest in our solar system.

No atmosphere → No scattering → The sky doesn’t glow.

Light travels in straight lines → Unless light hits your eyes directly (like from the Sun or a star), you don’t see it.

Background is vast emptiness → Most directions you look don’t have a star in them, so they appear black.

. Nebulae – Colorful space clouds.

Galaxies – Starry spirals.

Auroras – Cosmic lights.

Saturn’s Rings – Shimmering jewels.

Supernovae – Dazzling starbursts. ✨

Dark Matter – An invisible substance holding galaxies together, but we don’t know what it is.2. Dark Energy – A strange force making the universe expand faster and faster.3. Black Holes – Regions where gravity is so strong that not even light can escape.4. Fast Radio Bursts (FRBs) – Mysterious, super-powerful signals coming from deep space.5. The Fermi Paradox – With so many planets, why haven’t we found alien life yet?

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