You can choose to be an Astrophysicist and specialize in finding these Celestial Objects, or elect to become a Space Explorer who can travel to another Planet and collect Star Dust and Dark Matter, which have high sell values.

Astronomy Career - Allows new object discoveries with the Observatory's powerful Telescope.Here they are, along with links to the Career information for them: Into the Future adds two new Rabbithole-style Careers that Sims can take up while in the Future World of Oasis Landing. The Sims 3 Into the Future Career Additions Another helpful feature is info about The Sims 3's career rewards, which are perks Sims make on their way up a career ladder, such as the MinusOne Kelvin Fridge for the Culinary Career Track or the Firefighter's reward to make their home a fire station. Console Simmers should take note that the ambitions professions aren't available in their version of the game, nor the Film Career Track offered with The Sims 3 Late Night. This guide is helpful to both PC, Mac and Playstation 3 or Xbox 360 game owners. Here I'll list all careers in the Sims 3, its expansion packs, and provide info that will help you make a decision as to what track you want your Sim to pursue. Xbox 360 and PS3 owners should head here for their career cheats, PC and Mac career cheats are listed on this page. Please remember some info or numbers may have changed with the adaptation from PC. Our Sims 3 career guide was originally written for the PC and Mac versions of the game, but also will help owners of the console versions - PS3, Xbox 360 and Wii. The Sims 3 Careers Jobs and Professions in TS3 and all Expansion Packs

Sims 4 list of careers