Species that could survive in the vacuum of space include exogorths and Cylo's cyborg Whale-ships. Neebrays could survive in nebulae, such as the Kaliida Nebula. As well as being able to survive in space, the purrgil were capable of traveling through hyperspace. Many droids were able to operate in space. Astromech droids were exposed to the vacuum of space when conducting repairs outside the hull of a starship and when inserted into the astromech socket of a starfighter. KX-series security droids could also survive in the vacuum of space.