NASA warns three giant asteroids will skim past Earth TODAY
- READ MORE: Scientists warn 'city-destroying' asteroid is hurtling towards Earth
that are set to make close approaches to Earth today.
One of them will come within just 77,200 miles of our planet, which is roughly one-third of the average distance between Earth and the moon.
since 2013.
The space rock will make another fly-by of our planet in
The other two space rocks, 2025 CD and 2025 CE, are an estimated 22 feet and 43 feet wide, respectively.
That makes each of them approximately the size of a bus, but they will keep further away from our planet when they pass by today.
Asteroid 2025 CD's closest approach will be 396,000 miles, and 2025 CE's will be 680,000 miles.
will also zip through Earth's cosmic neighborhood today, but will remain millions of miles away.

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According to NASA, more than one million asteroids travel around the sun within this belt, following elliptical orbits and often rotating erratically as they go.
Occasionally, the massive gravitational force of Jupiter can pull asteroids out of the belt and send them hurtling in random directions.
Sometimes they shoot toward the inner solar system and enter Earth's vicinity, encountering our planet in what's known as a 'fly-by.'
pose any threat to our planet, according to NASA.
But the agency's Planetary Defense Coordination Office always keeps a watchful eye on any Near Earth Objects (NEOs), including asteroids, to monitor their impact risk.
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, according to NASA.

Astronomers have also calculated a predicted impact zone that stretches from South America across the Atlantic Ocean to sub-Saharan Africa.
The asteroid has the potential to cause significant damage, especially if it lands in a densely populated area like a major city.
Astronomers believe it is roughly the same size as the Tunguska asteroid, which entered Earth's atmosphere and exploded in the air over Siberia in 1908.
The blast was equivalent to detonating 50 million tons of TNT.
If 2024 YR4 infiltrates Earth's atmosphere, it could cause a similar event, astronomers say.
it could remain intact during the descent and slam into the ground, creating a massive crater and decimating human communities in the impact zone.
But the odds of a direct-hit are very slim, with astronomers estimating a 1.2 to 1.3 percent chance.
It is much more likely that 2024 YR4 safely whizzes by our planet just like these three smaller asteroids will today.


which is why NASA's Planetary Defense Coordination Office is developing strategies to protect Earth from an incoming threat.
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Dimorphos, around 560 feet in diameter, orbits a larger asteroid called Didymos, both of which are around 6.8 million miles away from our planet.
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The mission demonstrated that the kinetic impactor technique - which involves deliberately ramming a spacecraft into an asteroid - is an effective way to alter an asteroid's trajectory.
, NASA could one day use this technique to save our planet.
But scientists are still studying DART's aftermath to ensure that NASA could do this safely.
That's why the European Space Agency (ESA) is launched the Hera mission in October last year.
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This will help astronomers on Earth verify that the kinetic impactor technique can be used safely and responsibly to save our planet from an approaching asteroid.
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