Moonspear when the day met the night

With the question at hand, Vela found her gaze rising skywards once more as she fell into a bout of silent contemplation. Despite her interest in the heavens above, the child did not have a word in her limited vocabulary for what exactly she was looking at. Troubled by this, Vela returned her gaze to meet his sister's, her face mirroring the manner in which Galaxy scrunched her face. With this all-consuming topic rattling her brain, the girl was barely phased by the Pi's attempt to get her riled up and instead sought to work out what she wanted to express. 

Finally, after much thought, the freckled girl suddenly thrust her muzzle heaven-ward and let out a strained, "oop!", in a manner that was as accurate as she could manage at the given time.