"No, 'Earth' does not refer to this planet, but to the planet where we were born. Also, the ground beneath our feet is not actually flat—it is a gigantic sphere."
Hermione felt a headache coming on.
After all, she had entered Hogwarts to study when she was eleven. And Hogwarts' curriculum obviously did not include physics.
She knew a little about simple concepts, such as "planets are round" and "planets produce an attractive force called gravity." But anything more advanced than that was truly beyond the limits of her knowledge. If she could not answer their questions later, would she not be embarrassing herself all the way to an alien planet?
But Hermione had clearly worried too much. Before she could finish speaking, a burst of uproarious laughter nearly blew the roof off the great hall.
"Ha ha ha! Did you hear that? She actually said the ground beneath our feet is a sphere! Ha ha ha!"
The other orcs, who had been silent until now, clutched their stomachs and laughed so hard they nearly toppled over.
"Miss Hermione, I think you must have made a mistake. How could the ground beneath our feet possibly be a sphere?"
Although Nairuila did not burst into laughter like his clansmen, the expression on his face showed that he was struggling to hold it in.
At that moment, the old shaman could not help overturning his earlier judgment. What wise travelers were these? They were more like idiots. It seemed the unsuitable name "Earth" had probably been made up by these people themselves.
"No, the planet beneath our feet really is a sphere. Look at the sun, moon, and stars in the sky—they are all spheres as well. The planet beneath our feet is no different."
Frowning deeply, Hermione patiently tried to convey