What makes Europa the most likely place extraterrestrial life will be found in our solar system?

A) It has an ocean of liquid water, which is warmed by tidal force interaction with Jupiter, and may house underwater volcanic thermal vents.
B) It has an ocean of liquid water, and there is increasing evidence of phytoplankton activity, particularly as shown by ongoing spectral analysis.
C) It has a hydrogen ocean and moderate levels of oxygen in its atmosphere, which is gradually producing water through frequent lighting strikes.
D) Actually, Io is the most likely place to find life, due to its high level of volcanic activity.


Answer: A

Physics & Space Science

You might also like to view...

A straight wire that is 0.60 m long is carrying a current of 2.0 A. It is placed in a uniform magnetic field of strength 0.30 T. If the wire experiences a force of 0.18 N, what angle does the wire make with respect to the magnetic field?

A) 30° B) 60° C) 90° D) 25° E) 35°

Physics & Space Science

What is the source for the lava that covers the maria?

A. the original molten surface of the Moon B. rock melted by radioactive heating C. molten rock from impacts D. volcanic eruptions due to subducting lunar crust

Physics & Space Science

You're at rest in a hammock when a hungry mosquito sees you as lunch, while a 2-m/s breeze is blowing. If the mosquito joins you for lunch, it should first hover over you by flying

A) against the breeze at 2 m/s. B) with the breeze at 2 m/s. C) a bit faster than wind speed. D) none of the above

Physics & Space Science

Because they all involve formation of iron in the cores of massive stars, all Type II supernovae are approximately equally luminous

Indicate whether the statement is true or false

Physics & Space Science