Answer:
The sporadic decrease and increase in its brightness, which does not respond to a regular or predictable pattern. This change is due to dust that can be the product of the collision of two comets or the rupture of one. Another possible but less likely explanation is that the star is experiencing a kind of internal upheaval never seen before. The second one makes me more interesting because it is a lake that has never been seen before but I feel that it may be much less likely.
Explanation:
