"Felt cute might delete later" is a popular humblebrag caption, which means "an ostensibly modest or self-deprecating statement whose actual purpose is to draw attention to something of which one is proud". People who don’t usually use this caption have joined the challenge to troll all the humblebraggers.

Astronomers released the first ever image of an actual black hole, captured by the National Science Foundation-funded Event Horizon Telescope. The black hole is at the center of Messier 87, a massive galaxy in the nearby Virgo galaxy cluster.