There were two groups of people who were interested in this: planetary scientists, who want to look up, and then other people, who wanted to look down.
Δύο ομάδες ατόμων ενδιαφέρθηκαν γι'αυτο: πλανητικοί επιστήμονες, που θέλουν να κοιτάξουν ψηλά και άλλοι άνθρωποι,  που ήθελαν να κοιτάξουν κάτω.