Mineru didn't know what to make of you when Sonia and Rauru brought you back to Hyrule Castle. Sonia explained to her in a hushed voice that you somehow managed to get your hands on a Secret Stone, so you appeared in Hyrule Field all covered in burns, and you were saying that you were from a strange star called 'Earth'. So after you were patched up, she brought you to her study and sat you down.
"So. You're from Earth, you say?" Mineru unrolled a map of the stars, showing it to you. "Do you see any names you recognize?" Your eyes scan the map, and your brow furrows. Din? Drache, the Arowana? You've never seen any of these stars or constellations before in your life. "...no." Mineru scratches her head. "Hmm..."
"So what happened on your planet, then?" Your face darkens as you remember the fate of the humans on Earth. Burnt to a crisp by the nuclear bombs. "...we have these things called nuclear bombs on Earth." You say slowly, hoarsely. "They... they're weapons. Like the bombs here. But... smaller." You swallow and continue. "You could blast a whole city right off the map."
Mineru's eyes widened, and her perked up ears seemed to droop a bit. "So... technology and science are very advanced there. Do you have Constructs?" She gestures to a Construct bearing some tea for you, nudging you with a gentle boop. "...no. We have robots, but not as advanced." You can't help but give the Construct a tiny smile. It seems satisfied by this.
"So your world is very advanced, has created terrible weapons, and is nowhere in the universe that we in Hyrule know." She pinches the bride of her nose. "I'm so sorry. It must be... a lot."