'Potentially hazardous' asteroid the size of pyramid will skim Earth
TN17 is estimated to be around 540 feet in diameter, which is greater than the height of the Pyramid of Giza in Egypt (449 ...
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Meteorites and asteroids tracked back to their place of origin in the solar system
Astronomers have tracked several meteorites that dropped in on Earth back to their origin, space rocks in the main asteroid belt between Mars and Jupiter.