Moons
Moons

This free course is available to start right now. Review the full course description and key learning outcomes and create an account and enrol if you want a free statement of participation.

Free course

Moons

3.1.10 Moons volcanism

Activity 1

The heat source for cryovolcanism is likely to be:

a. 

Radioactive decay from the body's centre


b. 


c. 

Relic heat from the body's formation


The correct answer is b.

b. 

Correct!


Inverness Corona is a massive volcanic complex on which moon?

a. 

Miranda


b. 

Ariel


c. 

Triton


The correct answer is a.

a. 

Correct. Inverness Corona is the chevron-patterned area apparent in most images of Miranda.


The volcanic activity on the Moon was mostly when?

a. 

3 million years ago


b. 

3 billion years ago


c. 

3 trillion years ago


The correct answer is b.

b. 

Well done.


Which of the following, when added to water-ice, lowers the melting temperature enough to allow the water-ice to melt in cryovolcanoes?

a. 

Sodium


b. 

Oxygen


c. 

Ammonia


The correct answer is c.

c. 

Correct. Ammonia is one of several substances believed to occur within icy moons that could lower the melting temperature of the ice.


MOONS_1

Take your learning further

Making the decision to study can be a big step, which is why you'll want a trusted University. The Open University has over 40 years’ experience delivering flexible learning and 170,000 students are studying with us right now. Take a look at all Open University courses.

If you are new to university level study, find out more about the types of qualifications we offer, including our entry level Access courses and Certificates.

Not ready for University study then browse over 900 free courses on OpenLearn and sign up to our newsletter to hear about new free courses as they are released.

Every year, thousands of students decide to study with The Open University. With over 120 qualifications, we’ve got the right course for you.

Request an Open University prospectus