Changes

There are currently several hundred known asteroids, called Apollo asteroids, that are in Earth-crossing orbits.  

There are currently several hundred known asteroids, called Apollo asteroids, that are in Earth-crossing orbits.  

Strictly speaking, "meteors" are stones that are falling through the sky (aka "fireballs"). When they hit the ground, they become known as "meteorite." However, not many people bother to make this technical distinction. Even some [[textbook]]s get it wrong. {{fact}}

Strictly speaking, "meteors" are stones that are falling through the sky (aka "fireballs"). When they hit the ground, they become known as "meteorite." However, not many people bother to make this technical distinction.  

If a meteor enters Earth's atmosphere, it is often referred to as a "shooting star" or "falling star".

If a meteor enters Earth's atmosphere, it is often referred to as a "shooting star" or "falling star".