Astronomy includes both the theory and observation of celestial objects in the sky. Studies may require physics courses and some programs may teach students how to use telescopes, star charts, and special computer software. A student interested in using creative thinking and problem-solving may enjoy studying this topic.

Due to the numerous countries within Oceania, work occasions and work permit laws differ greatly, with data on opportunities in some nations being limited. Australia and New Zealand are the most advanced countries in the area.

Graduate diplomas are typically not offered in the United States. The American equivalent of a diploma is referred to as a professional certification. Each university has a different set of requirements for admission, so students should perform in-depth research on programs before applying.

Online learning refers to use of electronic media and information and communication technologies (ICT) in education. With online learning one has the flexibility to access their studies at any time and from anywhere they can log on.