A photo taken by an instrument aboard the Mars Reconnaissance Orbiter shows dark, narrow, 100-meter-long streaks on the surface of Mars that scientists believe were caused by flowing streams of salty water.
A photo taken by an instrument aboard the Mars Reconnaissance Orbiter shows dark, narrow, 100-meter-long streaks on the surface of Mars that scientists believe were caused by flowing streams of salty water. NASA
A photo taken by an instrument aboard the Mars Reconnaissance Orbiter shows dark, narrow, 100-meter-long streaks on the surface of Mars that scientists believe were caused by flowing streams of salty water. NASA

Modesto Junior College speaker seeking signs of life across the universe

September 29, 2015 3:29 PM