'In December 2006 NASA announced that water may have flowed on this planet's surface within the past decade'
Mars
THE SOLAR SYSTEM: In December 2006 NASA announced that water may have flowed on this planets surface within the past decade
In December 2006 NASA announced that water may have flowed on this planet's surface within the past decade
In December 2006 NASA announced that water may have flowed on this planet's surface within the past decade
THE SOLAR SYSTEM
Mars
THE SOLAR SYSTEM