Sandra Bullock (pictured) and George Clooney are stranded and trying...

Sandra Bullock (pictured) and George Clooney are stranded and trying to survive in "Gravity," directed by Alfonso Cuaron. Credit: Warner Bros. Pictures

"Gravity" won't be held down.

The Warner Bros. astronaut adventure starring Sandra Bullock landed in the top spot at the box office for the second weekend in a row, according to studio estimates Sunday. "Gravity" earned $44.3 million, bringing its domestic total to $123.4 million.

Sony's "Captain Phillips" launched in second place with $26 million. The high seas drama stars Tom Hanks as a cargo ship captain who is held captive by Somali pirates.

The animated Sony movie "Cloudy with a Chance of Meatballs 2" slurped up third place in its third weekend with $14.2 million.

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