Planetary Science Exam Review

These flashcards cover key concepts related to the characteristics of gas giants, the potential for extraterrestrial life, ring systems, and comparative planetary science, useful for exam preparation.

What are some physical characteristics that differentiate Jupiter from Saturn?

Jupiter is larger and has a Great Red Spot; Saturn is known for its prominent rings.

What evidence suggests the moon Enceladus might harbor life?

Enceladus has geysers that eject plumes of water vapor, indicating a subsurface ocean potentially suitable for life.

What are ring systems primarily composed of?

Ring systems are made of ice, dust, and small rocky particles.

Why do ring systems not last forever?

They are affected by gravitational interactions, collisions, and can gradually disperse or coalesce.

What two major characteristics do Earth and Titan share?

Both have climates with liquid and geological activity; Titan has lakes of methane, whereas Earth has water. it was also described as a young earth in its early days

What are the three requirements to be classified as a planet in our solar system?

1. Must orbit the Sun; 2. Must be spherical in shape; 3. Must clear its orbital path. Pluto does not qualify because it does not clear its orbit.