

Kelly shared this photo as he started a 10-day countdown to his return. "I'm going to miss the colors of Africa!" he wrote on February 22.

On February 7, Kelly snapped this photo of Levi's Stadium, where Super Bowl 50 was being played in Santa Clara, California. "Got to see the #SuperBowl in person after all!" he said online. "But at 17,500 MPH, it didn't last long."

On January 23, Kelly shared this photo of a massive blizzard passing over Chicago. "#Blizzard2016 gave us an impressive view below," he said. "Stay warm!"

August 27: "Day 154. #Aurora's purple glow adds mystery to the nightscape. Good night from @ISS!"

July 28: "#GoodMorning #Barcelona, #Spain! Looking beautiful as usual from @Space_Station. #YearInSpace"

July 24: "#EarthArt #Galapagos, I can see inside you."

July 19: "#Bahamas, the strokes of your watercolors are always a refreshing sight."

July 12: "#Athens, #Greece, #GoodMorning from @Space_Station. Wishing you the best."

July 13: "#MondayMotivation #Earth today; #PlutoFlyby tomorrow! @Space_Station; @NASANewHorizons #YearInSpace"

April 27: "Sometimes #Earth looks like another planet from @ISS."

August 29: "Color palette of the #Spanish coast is an appealing morning view. #GoodMorning from @ISS!"

July 25: "#Goodevening #Japan. Showing @Astro_Kimiya how to take pictures of #Earth at night."

April 6: "Australia. You are very beautiful. Thank you for being there to brighten our day."

August 31: "Day 157. At the end of the day, #sunrise will come again. Good night from @space_station!"