According to your textbook, to be considered 'tourists', travelers may be:

To be considered as tourist, the traveler’s purpose should be because he or she is travelling because of business purposes, family matters, and lastly, is having to stay for a vacation in the country which isn't his or her usual place.

d.) continue to rise rapidly

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d