NASA Follows Asteroid Moving Closer to Earth from Sun’s Orbit — VOA Learning English
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Scientists have discovered a small asteroid that recently moved closer to Earth’s orbit. The object was first observed August 7 by two astronomers from Spain’s Complutense University of Madrid.
The asteroid, named 2024 PT5, is believed to be about 10 meters long. It usually orbits around the sun. But Earth’s gravitational forces recently pulled the object closer to our planet.
Scientists sometimes call such objects “mini-moons.” This is because they behave similarly to the permanent moon orbiting Earth when they are captured by gravity. But they are much smaller and only temporarily stay in Earth’s orbit.
The American space agency NASA said in a statement that 2024 PT5 is “not quite a…
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