thumbnail moon
n.— «The moon, which is about 15 per cent illuminated, or more commonly called a “thumbnail moon,” is said to be a setting moon and will move rapidly through the night sky early on making its decent.» —“Venus and Jupiter to Align With Moon, Not Visible Again For Another 44 Years” by Nikki Weingartner Digital Journal (Toronto, Ontario, Canada) Dec. 1, 2008. (source: Double-Tongued Dictionary)
Further reading
There’s an atmospheric phenomenon that resembles the Northern Lights, and it’s called STEVE. That’s because citizen scientists used that name among themselves when discussing these glowing ribbons of color in the sky. They settled...
Astronomers have spotted nearly 150 objects far out in space that are too small to be called stars, but they can’t be called planets, because they don’t orbit a star. They’re about the size of Jupiter, but given what we know about...