Somebody Shows You the Picture in the Figure Below and Comments

question 47

Multiple Choice

Somebody shows you the picture in the figure below and comments that it is the most recent photo of the Milky Way taken with an instrument aboard a spacecraft that has just recently left the boundaries of our home galaxy and is on its way to Andromeda. You would immediately react by saying: "This cannot be the Milky Way because

• A) we live in an elliptical galaxy."
• B) our galaxy does not have a bar."
• C) the Sun is at the very center of the galaxy."
• D) the Milky Way is way too big for a spacecraft to go that far."
• E) all galaxies in the universe are identical and therefore we cannot be so sure this is the Milky Way."

---

Definitions:

Parietal Bone

A bone forming part of the side and top of the skull, located behind the frontal bone and in front of the occipital bone.

Osteoporosis Prevention

Methods or strategies aimed at preventing the development of osteoporosis, a condition characterized by porous and fragile bones, through diet, lifestyle changes, and sometimes medication.

Regular Exercise

Consistent physical activity undertaken to maintain or improve one's health and physical condition.

Paget's Disease

A chronic bone disorder that can lead to bone enlargement and deformity, affecting one or more bones.