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S04E02 The Edge of the Solar System – विज्ञान शो

Editor - Sourabh

This episode explores the mysterious and expansive boundary of our solar system, shedding light on regions far beyond the planets we know. Initially believed to end at Pluto, modern discoveries reveal that the solar system stretches much farther, into regions like the Kuiper Belt and heliosphere.

Key Highlights:

Discovery of the Kuiper Belt: Once only theoretical, it was confirmed in 1992, revealing a massive ring of icy bodies beyond Neptune, and doubling our known solar system's size.

Pluto’s Demotion: As objects larger than Pluto were found in the Kuiper Belt, Pluto was reclassified as a “dwarf planet.”

Voyager Spacecraft: Launched in 1977, it continues to transmit data from the outer edge of the solar system, having crossed into interstellar space.

Heliosphere & Solar Wind: The Sun emits solar wind, forming a bubble-like shield (heliosphere) that protects Earth from harmful cosmic rays. This magnetic field extends billions of kilometers into space.

Magnetic Bubbles & Cosmic Rays: Voyager discovered strange magnetic bubble structures at the edge, which may act as protective barriers against galactic radiation.

Oort Cloud & Comets: Long-period comets are believed to originate from a distant spherical shell called the Oort Cloud, potentially even from outside the solar system.

Scientific Impact: These discoveries redefine our understanding of the solar system’s size, structure, and defenses, and show how much remains unexplored.

Editor: -


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