Rubins, the only American voter not currently on Earth, said she was able to vote from the International Space Station last week.
This isn’t the first time Rubins has cast her ballot from space: She voted in 2016 when she was also researching at the space station.
according to NASA.
How to vote from space
Smithsonian’s National Air and Space Museum. NASA’s Johnson Space Center is located in Houston, so most astronauts are based in the city and registered to vote in Harris County, where Houston is located.
works like this, NASA told CNN last month: The Harris County Clerk’s Office uploads a secure electronic ballot to NASA’s Johnson Space Center Mission Control Center. NASA astronauts, using specific credentials, access their ballot and cast their vote, which is delivered back to the county clerk’s office by email.