Simplify the following text for a Grade 10 native English-speaking person.
Original: Eucrites are achondritic stony meteorites , many of which originate from the surface of the asteroid 4 Vesta and as such are part of the HED meteorite group .
Simplified: Eucrites are achondritic stony meteorites that originate from the surface of the asteroid 4 Vesta , and as such are part of the HED meteorite group .