Original: Eros was visited by the NEAR Shoemaker probe, which orbited it, taking extensive photographs of its surface, and, on February 12, 2001, at the end of its mission, landed on the asteroid's surface using its maneuvering jets.
Simplified: Eros was visited by the NEAR Shoemaker probe, which orbited it, taking many pictures of its surface, and, on February 12 2001, at the end of its mission, landed on the asteroid's surface using its maneuvering jets.