The Speed of the Solar Wind Is Approximately 400 Km/s

question 50

Multiple Choice

The speed of the solar wind is approximately 400 km/s and the distance from the sun to Saturn is 9.5 AU (1 AU = 1.5*10⁸ km) . How long does it take a particle in the solar wind to reach Saturn?

• A) about 4.1 hours
• B) about 4.1 days
• C) about 41 days
• D) about 4.1 years
• E) about 41 years

---

Definitions:

Earthworm

A type of invertebrate belonging to the class Oligochaeta, known for its segmented body and role in aerating and enriching soil.

Clitellum

A thickened, glandular section of the body found in certain worms, like earthworms, important for reproduction.

Cocoon

A protective casing spun by the larvae of many insects (like moths and butterflies) and some other animals, where they undergo metamorphosis into their adult forms.

Clams

Aquatic bivalve mollusks known for their soft bodies enclosed within a hinged shell, often consumed as seafood or used in research.