Starship test-fired, lunar transit and more | VFS Weekly Highlights

Videos featured: Merging galaxies could die out due to gas expulsion, spacecraft captured first lunar transit of 2021, SpaceX Starship SN9 was test-fired 3 times on the same day, and a map of brown dwarf stars near our sun has been visualized. Related story: https://www.space.com/spacex-starship-sn9-two-static-fire-tests