http://www.skyandtelescope.com/astronomy-news/meet-oumuamua-the-interstellar-cigar/?utm_source=newsletter&utm_campaign=sky-jma-nl-171124&utm_content=983517_EDT_SKY_171124&utm_medium=email

The combined light curve shows that ‘Oumuamua rotates every 7.8 hours. Assuming that the spin axis goes through its shortest dimension (the most likely situation), this interstellar visitor must be made of rocky or metallic compounds with a fair amount of tensile strength to keep from flying apart.

Some of the objections I brought up in an earlier post are addressed in the reader comments. This dude is definitely strange.