10 Crazy Facts You Didn't Know About Space

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No atmosphere in space means no sound. It's a vacuum. No medium to carry sound waves. Silence prevails. Space is soundless.

SPACE IS COMPLETELY SILENT

THE HOTTEST PLANET IN OUR SOLAR SYSTEM IS 450° C.

Venus: Hottest planet, 450°C avg. surface temp. Surprisingly, not closest to the sun—Mercury is. No atmosphere causes extreme temp fluctuations. Regenerate response

A FULL NASA SPACE SUIT COSTS $12,000,000.

NASA's 1974 space suits, if priced today, would cost around $150M. $12M total cost, with 70% for backpack and control module.

THE SUN’S MASS TAKES UP 99.86% OF THE SOLAR SYSTEM.

Sun: 99.86% of solar system's mass, 330,000x Earth's mass. Mostly hydrogen (75%), rest helium. Hypothetical voice? Not squeaky; helium's not involved.

ONE MILLION EARTHS CAN FIT INSIDE THE SUN

Sun: Big enough for 1.3M squashed Earths or 960K spherical ones. Hard to visualize that many Earths!

Earth's Trees Outnumber Milky Way's Stars

Earth: 3 trillion trees, Milky Way: 100-400 billion stars. Vast tree count surpasses galactic star estimate.

THE SUNSET ON MARS APPEARS BLUE

Mars sunsets: Blue near the Sun due to dust, rusty hue in daylight. Dramatic colors like Earth but bluish to Martian observers.

More Stars Than Sand: Universe's Vastness Outshines Earth's Grains

Universe: ~1 septillion stars. Earth: ~7.5 quintillion grains of sand. Vastness of both defies precise counting.

ONE DAY ON VENUS IS LONGER THAN ONE YEAR.

Venus: Slow axis rotation, 243 Earth days for a day. Orbit: 225 Earth days, shorter than a Venusian day by 18 days.

THERE IS A PLANET MADE OF DIAMONDS

Diamond Planet: 55 Cancri e, 2x Earth's size. Graphite and diamond surface. Visit pays off $12M suit expens