Zwicky Transient Facility composite image of SN2019yvq (blue dot in the center of the image) in the host galaxy NGC 4441 (large yellow galaxy in the center of the image), which is nearly 140 million light-years away from Earth. SN 2019yvq exhibited a rarely observed ultraviolet flash in the days after the star exploded.
Learn more: Spectacular ultraviolet flash may finally explain how white dwarfs explode
Credit: ZTF/A. A. Miller (Northwestern University) and D. Goldstein (Caltech)