Spacewalker Mark Vande Hei took his own photograph during the first spacewalk of 2018. These sky-high pictures are better known as “space-selfies.”
iss054e022843 (Jan. 23, 2018) — Spacewalker Mark Vande Hei took his own photograph during the first spacewalk of 2018. These sky-high pictures are better known as “space-selfies.”