Knight Watch
After uncovering her late husband's research on an ancient UFO, a grieving astronomer reaches out to a young woman with a powerful link to the mysterious object: The Black Knight Satellite.
Starring
Watch "Knight Watch" on Amazon released in 2019. It's a science-fiction movie, and has a rating of 6.2 out of 10 from Imdb which is usually fine for this kind of movie, and is currently only available for purchase or rent.