Essentially, she'd demonstrated that solar luminescence could be calibrated according to a fixed carbon crystal reflection/refraction scale, which combined with Einsteinian laws could calculate the exact position of every celestial object in the universe.
Unfortunately she couldn't speak a word of English and could only afford a budget online Romanian-English translation service. It wasn't great.
She didn't win the Nobel Prize for Physics. But her thesis captured the imagination of the Nobel Literature Prize judges instead: "Twinkle, twinkle little star..."