It’s the ultimate game of cosmic “cover up,” as the dimming occurs when a circumbinary disk from a nearby star passes in front of T Tauri N.
The story of how own Sun was born remains a cosmic mystery.
Formed 4.6 billion years in the past, we can only see what presently survives.
But elsewhere in the galaxy, Sun-like stars form continuously.
One young example, T Tauri, became notable in the mid-1800s.
Not only does its brightness vary with time, but a nearby nebula shows variability as well.