WEBVTT FILE ﻿1 00:00:00.000 --> 00:00:11.594 ON-SCREEN: Two stars orbit each other inside the U Monocerotis system, a binary system with a large disk of dust and debris. 2 00:00:11.594 --> 00:00:19.144 When one of the stars passes behind the disk from the Earth's perspective, it dims noticeably. 3 00:00:19.144 --> 00:00:27.652 ON-SCREEN: Close-up of the primary star. 4 00:00:27.652 --> 00:00:37.037 ON-SCREEN: Close-up of the secondary star. This star has a faint accretion disk and outflows at the top and bottom of the star.