In A Wrinkle in Time, how did Mrs. Murray react when Mrs. Whatsit said, "There is such a thing as a tesseract"?

In A Wrinkle in Time, how did Mrs. Murray react when Mrs. Whatsit said, "There is such a thing as a tesseract"?

In A Wrinkle in Time, how did Mrs. Murray react when Mrs. Whatsit said, "There is such a thing as a tesseract"?

In A Wrinkle in Time, how did Mrs. Murray react when Mrs. Whatsit said, "There is such a thing as a tesseract"?

In A Wrinkle in Time, how did Mrs. Murray react when Mrs. Whatsit said, "There is such a thing as a tesseract"?