Sky watchers in the Tri-State Area may get a look at an odd artificial cloud on Saturday night (Sep. 19) after it’s released from the fourth stage of a rocket set for launch from NASA’s Wallops Flight Facility on Virginia’s Atlantic Shore.

People in the eastern United States will get a great opportunity, weather permitting, to see the Space Shuttle Discovery launched into orbit Wednesday evening, March 11, 2009.

The Mars Reconnaissance Orbiter has taken striking images of periodically deposited sedimentary layers, suggesting that random floods or volcanic eruptions did not create them.