NASA Tracking Bus-Sized Asteroid Approaching Earth Today
Summary
NASA is watching an asteroid called "2026 AJ," which is about the size of a bus. It will pass by Earth at a distance of 961,000 miles. NASA tracks such objects to ensure they don't pose a threat to Earth.Key Facts
- "2026 AJ" is an asteroid the size of a bus, around 40 feet in diameter.
- It is traveling toward Earth at about 20,500 miles per hour.
- It will pass by Earth at approximately 961,000 miles away, which is considered close in space terms.
- NASA is tracking four other asteroids approaching Earth, with "2026 AJ" being the closest.
- Asteroids are rocky objects left over from the solar system's formation 4.6 billion years ago.
- Near-Earth objects are asteroids that come within 120 million miles of the sun.
- Potentially hazardous asteroids (PHAs) must be closely monitored if they come within 4.6 million miles of Earth's orbit.
- PHAs are over 460 feet in size, and none is expected to hit Earth soon.
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