Astronauts, President Remember Leonard Nimoy, 'Star Trek's' Spock

Leonard Nimoy Cried Watching New Star Trek Movie — Leonard Nimoy said that he shed some tears while watching the new "Star Trek" movie, where he reprises his role as an older Spock who enlightens his younger self. (Image credit: John Siuntres)

Astronauts, space scientists, science fiction fans and even President Barack Obama are paying tribute to Leonard Nimoy after the "Star Trek" actor's death was announced today (Feb. 27). Read some of our favorite posts about the actor that played the original Mr. Spock below:

President Barack Obama

NASA astronaut Scott Kelly

Canadian astronaut Chris Hadfield

Space scientist Alan Stern

"Star Trek" actor William Shatner

"Star Trek" actor George Takei

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NASA

Astronauts pay tribute

Miriam Kramer joined Space.com as a Staff Writer in December 2012. Since then, she has floated in weightlessness on a zero-gravity flight, felt the pull of 4-Gs in a trainer aircraft and watched rockets soar into space from Florida and Virginia. She also served as Space.com's lead space entertainment reporter, and enjoys all aspects of space news, astronomy and commercial spaceflight. Miriam has also presented space stories during live interviews with Fox News and other TV and radio outlets. She originally hails from Knoxville, Tennessee where she and her family would take trips to dark spots on the outskirts of town to watch meteor showers every year. She loves to travel and one day hopes to see the northern lights in person. Miriam is currently a space reporter with Axios, writing the Axios Space newsletter. You can follow Miriam on Twitter.