Question

multiple choice question
which three \ocean worlds\ are cited as the best candidates within our solar system for potentially harboring existing life forms?
a. pluto, saturn, and venus.
b. europa, enceladus, and titan.
c. mars, mercury, and the moon
d. jupiter, neptune, and uranus.

Explanation:

• Europa (Jupiter's moon) has a subsurface ocean.
• Enceladus (Saturn's moon) has geysers indicating a subsurface ocean.
• Titan (Saturn's moon) has liquid methane - ethane lakes and a complex chemistry.
• Pluto is a dwarf planet with a frozen surface. Saturn and Venus are gas giants and a planet with a harsh atmosphere respectively. Mars, Mercury, and the Moon lack significant liquid water oceans. Jupiter, Neptune, and Uranus are gas giants.

Answer:

B. Europa, Enceladus, and Titan.