Astronaut Scott Kelly's Big First Day Back on Earth

After making the journey from space back to Earth, astronaut Scott Kelly is spending his first full day on the planet flying halfway around the world heading to Houston, where he'll be reunited with his family.

Waiting for Kelly, 52, in Houston will be his two daughters and girlfriend, along with his identical twin brother, retired astronaut Mark Kelly, and his sister-in-law, former Arizona Rep. Gabrielle Giffords. Jill Biden will also be on hand to welcome Kelly home after his historic year in space.

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