Texas first passed a law in 1997 that allows astronauts to vote if they will be in space during early voting and on Election Day.

The Space Vote The two astronauts currently stranded up in the International Space Station due to technical issues with Boeing's Starliner capsule plan to cast their vote in the November presidential elections,

On Friday, the Election Department of the Harris County Clerk's Office released its polling location map on the Harris Votes website. Currently, the map shows 87 early voting locations and 679 Election Day polling centers, but an election department representative said these numbers could change slightly before voting officially begins.