The Moon Mineralogy Mapper could only examine lunar soil to a depth of a few millimeters.

VOA: special.2009.12.30

The Moon Mineralogy Mapper can only observe lunar soil to a depth of a few millimeters.

VOA: special.2009.09.30

But United Nations Secretary General Ban Ki-moon says the Copenhagen Accord is only a beginning.

VOA: special.2009.12.26

Stafford and Cernan flew the lander down to only thirteen kilometers from the moon.

VOA: special.2009.07.08

Barack Obama was only seven years old when Neil Armstrong became the first man to set foot on the moon.

VOA: standard.2009.07.20