On the night 175 years ago on Sept. 23-24, 1846, astronomers discovered Neptune, the eighth planet orbiting our Sun.
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Astronaut Megan McArthur signs her name around the Northrop Grumman-16 cargo mission insignia sticker.
Astronaut Mark Vande Hei signs his name around the Northrop Grumman-16 cargo mission insignia sticker.
Astronaut Thomas Pesquet signs his name around the Expedition 65 mission insignia sticker.
Astronaut Shane Kimbrough signs his name around the Expedition 65 mission insignia sticker.
Astronaut Megan McArthur signs her name around the Expedition 65 mission insignia sticker.
Astronaut Mark Vande Hei signs his name around the Expedition 65 mission insignia sticker.
Astronaut Shane Kimbrough signs his name around the SpaceX Crew-2 mission insignia sticker.
Astronaut Megan McArthur signs her name around the SpaceX Crew-2 mission insignia sticker.
