"It would've been quite a feat, to name a constellation after our ship centuries before it was even built!" Gen giggled a little.

They're pretty close together, and Gen doesn't think anything when their arms brushed as they worked. He trusted Senku to tell him to back off, if he needed to. He never had been shy about that, before. He started to hum a little.

"I'm wishing we had fluorescent or glow-in-the-dark markers," Gen said wistfully.