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And other recent science discoveries

New calculations made by University of Washington scientists for Earth’s mass were reported in May 2000. According to UW physicists Jens Gundlach and Stephen Merkowitaz, Earth weighs in at 5.972 sextillion (5,972 followed by 18 zeros) metric tons.

More Discoveries

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One Trillion Tons for Everyone

Recent textbooks list the weight as 5.98 sextillion metric tons. Either way, that’s about one trillion metric tons for each person on Earth.

Measuring With A Torsion Balance

To make their precise measurements, the researchers used a computer-controlled device called a torsion balance that records nearly imperceptible accelerations from the gravitational effects of four 8.14-kilogram (18-pound) stainless-steel balls on a 7.62-by-3.81-centimeter (3-by-1.5-inch) gold-coated Pyrex plate just 1.5 millimeters (0.591 inches) thick.

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Our Ancestors Were Knuckle-Walkers

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TrendingHere are the facts and trivia that people are buzzing about.

Did Birds Evolve from Dinosaurs?

The Twelve Dancing Princesses

Current Events This Week: January 2023

African Americans by the Numbers

Andersen’s Fairy Tales: Contents

The Celtic Twilight: A Teller of Tales

TrendingHere are the facts and trivia that people are buzzing about.

Did Birds Evolve from Dinosaurs?

The Twelve Dancing Princesses

Current Events This Week: January 2023

African Americans by the Numbers

Andersen’s Fairy Tales: Contents

The Celtic Twilight: A Teller of Tales

  • Did Birds Evolve from Dinosaurs?
  • The Twelve Dancing Princesses
  • Current Events This Week: January 2023
  • African Americans by the Numbers
  • Andersen’s Fairy Tales: Contents
  • The Celtic Twilight: A Teller of Tales