Something strange is happening around a star about 2300 light-years away. As an object circles a star and blocks light, the size and shape of this entity appears to be constantly changing, and astronomers do not know what it is.
Brian Powell and his colleagues at NASA’s Goddard Space Flight Center in Maryland have used the Transiting Exoplanet Exploration Satellite to discover a strange pattern in the light from a star system called TIC400799224. They are about once every time …
Universe: The mysterious dimming of distant stars may be due to changing dust
https://www.newscientist.com/article/2293432-weird-shape-shifting-clouds-of-dust-seem-to-be-orbiting-a-distant-star/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home Universe: The mysterious dimming of distant stars may be due to changing dust