Orbital Science Antares rocket launch delayed - Boat in Safe Zone

Orbital Sciences postponed its planned launch of the Cygnus cargo ship toward the International Space Station on Monday due to a boat in the waters near the Virginia launch pad.

"Tonight's launch of the Antares rocket carrying the Cygnus cargo craft has been scrubbed," a NASA commentator said on the US space agency's live broadcast.

The boat was located inside the rocket's designated safety range, just to the southeast, and Orbital decided it was too risky to send the rocket soaring overhead.

Attempts to contact the boat were unsuccessful, NASA said, and the liftoff had to be scrubbed 10 minutes before it was scheduled to go.

"Tonight's Antares launch has been postponed because of a ship in the mariner avoidance area," Orbital said on its launch blog.

The next launch attempt is expected Tuesday at 6:19 pm (2219 GMT).

The cargo ship is aiming to make its third contracted mission with NASA, carrying nearly 5,000 pounds (2,200 kilograms) of supplies and science experiments for the six orbiting astronauts.

NASA Mars Curiosity Rover: Leaving Landing 'Safe Zone'

This image taken on June 27, 2014 by NASA's Mars Reconnaissance Orbiter shows NASA's Curiosity Mars rover on the rover's landing-ellipse boundary, which is superimposed on the image. 

The ellipse measures approximately 4 miles wide by 12 miles long.

Credit: NASA /JPL-Caltech /Univ. of Arizona

NASA's Curiosity Mars rover has entered a new realm on the Red Planet.

The 1-ton Curiosity rover has now cruised out of its landing ellipse, the area, about 4 miles wide by 12 miles long (7 by 20 kilometers), regarded as safe ground for its August 2012 touchdown within Mars' huge Gale Crater, NASA officials said.

Indeed, a photo taken by the space agency's Mars Reconnaissance Orbiter on June 27 shows Curiosity right on this boundary, which encloses a region of relatively flat and smooth terrain.



Curiosity landed with the aid of a rocket-powered sky crane, which lowered the six-wheeled robot down softly on cables before flying off to crash-land intentionally a safe distance away.

This system, which had never been used before at Mars, allowed Curiosity to land with much more precision than previous Red Planet missions had been able to achieve.

For example, NASA's twin Spirit and Opportunity rovers landed inside an ellipse measuring 93 miles by 12 miles (150 by 20 km) in January 2004, and the ellipse for the agency's two Viking landers, which touched down on Mars in 1976, spanned 174 miles by 62 miles (280 by 100 km).

Curiosity's $2.5 billion mission, officially known as the Mars Science Laboratory (MSL), seeks to determine if Mars has ever been capable of supporting microbial life.

The rover team has already achieved this goal, announcing last year that an area near Curiosity's landing site called Yellowknife Bay was a habitable lake-and-stream system billions of years ago.