Meet Samantha Cristoforetti, an astronaut who has spent more than 5 months on the International Space Station!

Samantha is a European Space Agency (ESA) astronaut who works as a Flight Engineer for Expeditions 42 and 43 of the International Space Station. In between her shifts on the ISS, Samantha is extremely active on social media sites, especially Twitter!

To learn more about Samantha's work, experiences, and much more, you can visit her ESA website.

In the meantime, feel free to orbit around the earth with her, and see what she tweets along the way!