NASA | Propylene on Titan

What is the second most abundant gas in Titan's atmosphere, playing a role similar to water vapor on Earth?

• Oxygen

• Methane

• Carbon Dioxide

• Hydrogen

Which spacecraft made the first close encounter with Titan in 1980, discovering new chemical species?

• Hubble

• Voyager 1

• Galileo

• Cassini

What was the missing member of the three-carbon family that Voyager 1 failed to find?

• Ethylene

• Butylene

• Propylene

• Methane

What is the name of the plastic material on Earth that is related to the propylene discovered on Titan?

• Polypropylene

• Polycarbonate

• Polyethylene

• Polystyrene

What potential does Titan's atmosphere hold for future exploration, according to some scientists?

• It might be a source of rare metals.

• It could support human life directly.

• It could have conditions similar to prebiotic Earth.

• It may contain elements for nuclear energy.