By Sakshi Sah
Published Apr 06, 2025

Hindustan Times
Trending

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What is space made of? 7 fascinating facts from NASA

Space is a vast and mysterious vacuum, containing much more than it seems.

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Space holds dark matter and dark energy, mysterious forces shaping the cosmos, still puzzling scientists.

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Around 68% of the universe is dark energy, which causes the expansion of space to speed up.

Photo Credit: NASA

Space is filled with faint energy left over from the Big Bang, called cosmic microwave background radiation.

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Between stars is a thin mix of gas and dust, mostly hydrogen, known as the interstellar medium.

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The Sun constantly emits charged particles, called solar wind, which travel across space.

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High-energy particles, called cosmic rays, travel through space at nearly the speed of light.

Photo Credit: NASA

Tiny particles of space dust float through the solar system, remnants of planets and stars.

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