The Impact That Formed the Caloris Basin on Mercury Also

question 214

Multiple Choice

The impact that formed the Caloris Basin on Mercury also created intense seismic waves that disrupted the surface of Mercury on the opposite side of the planet. Which other solar system feature is known to have involved a major impact with a similar result?

• A) Mare Orientalis on the Moon
• B) Hellas Basin on Mars
• C) Great Rift Valley on Earth
• D) Cleopatra Caldera on Venus

---

Definitions:

Lesser Trochanter

A bony prominence on the femur near its joint with the hip bone, serving as a point of attachment for several muscles of the lower limb.

Lateral Malleolus

The bony prominence on the outer side of the ankle, forming the lower end of the fibula.

Ulnar Notch

A depression on the distal end of the radius bone that articulates with the head of the ulna, allowing wrist movement.

Medial Epicondyle

The bony projection on the inner side of the humerus just above the elbow joint, where certain ligaments and tendons of the forearm attach.