Watch Earth's 'boundary between night & day', captured by NASA astronaut
Watch Earth's 'boundary between night & day', captured by NASA astronaut

A NASA astronaut shared images of Earth from space.

Bob Behnken captured the 'boundary between night & day'.

Behnken has shared many Earth images, like the Saharan dust cloud.

Behnken is aboard the International Space Station.

Behnken & fellow NASA astronaut Doug Hurley created history in May 2020.

They became the first astronauts to travel to Space Station on SpaceX's Dragon capsule atop Falcon 9 rocket.

Watch the full video for more.