https://www.livescience.com/asteroid-flyby-earth-size-of-giza-pyramid.html

ByJeanna Bryner-Live Science Editor-in-Chiefabout 2 hours ago

3D illustration of an asteroid flying past Earth.(Image credit: Aleksandra Sova via Shutterstock)

An asteroid about as long as the Great Pyramid of Giza is tall will make a “close” approach with Earth on Sunday (July 25), according to NASA calculations.

There is no worry that the space rock poses any threat toEarth, but NASA monitors such rocks to both learn more about the earlysolar system— asteroids are rocky fragments from that time — and because if their orbits were to change, the asteroid could pose a future risk to Earth.

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On its closest approach, the near-Earth asteroid, called 2008 GO20, will swing within 2.8 million miles (4.5 million kilometers) of our blue marble. It will be trekking at a whopping 18,000 mph (nearly 29,000 km/h), according to news…