2what are satern's rings? a) a great disk of liquid helum. b) large rocky boulders moving in orbit around saturn, c) a solid thin disc of naterial cncircling saturn, d) small icy particles moving in orbit around saturn. 83which of the following played the mest important reole in the rings' formation? a) satura's differential rotation, b) saturn's roche limit satun's distance from the sun satam's largest moon. s4 what males mimas a distinct moon? r a) it sffered a hage meteorite impact that must have nearly shattered it and whose scar is still visible today b) t maintain a wide apparent gap in saturn's rings, known as encke's division. c) it has a rich atmosphere that may resemble that of the early earth. d) it is the largest of saturn's moons 85. how is the roche limit defined? a) the critical distance from a planet, inside of which a moon can be tidally destroyed. b) the maximum density that a body can have, depending on its composition, the maximum distance from a planet that a moon can experience synchronous rotation. d) the maximum mass a moon can have and still be classified as a moon. 86 the atmosphere of titan is composed mostly of a) methane b) carbon dioxide c) hydrogen. 4) nitrogen. 87. what is the prediction for the future of triton? a)t will provide the raw material for a future neptunian ring. b)it will develop active volcanos c) it will leave the neptunias system and become a lone wanderer, like pluto. d it will crash into nereid, 88. ia addition to titan, which other moon has an atmosphere? a) titania, b) triton c) oberon, d) thalassa 10