A Bachelor of Space Science is an undergraduate degree that bridges the gap between fundamental physics and astronomy on one side, and the rapidly growing commercial and government space sector on the other. Typically completed over three years full-time, it explores the fundamental processes of the universe — from the upper atmosphere of the Earth to the most distant regions of the cosmos — with core training in astronomy, astrophysics, space technology, satellite systems, remote sensing, and space flight operations. Students gain a strong foundation in physics and mathematics alongside practical, industry-connected skills in areas such as satellite design and operations, Earth observation, data analysis, mission control, rocketry, and computational modelling. The degree is designed to connect the 'upstream' space sector (satellite and rocket design and launch) with the 'downstream' sector (the application of space-derived data and services).

This course is designed for students who are curious about how the universe works and want to apply that curiosity to real-world problems in one of Australia's fastest-growing industries. It suits those with strong interests in physics, mathematics, computing, or engineering, and who are excited by cutting-edge technology, data science, and international collaboration. Graduates emerge as connectors, coordinators, scientists, and engineers who understand the full space value chain. Key employers in Australia include the Australian Space Agency, CSIRO, Geoscience Australia, the Bureau of Meteorology, defence contractors, satellite operators, aerospace start-ups, and international agencies such as NASA, ESA, and JAXA. The SmartSat Cooperative Research Centre, private companies such as Gilmour Space Technologies and Saber Astronautics, and defence primes also actively recruit space science graduates.

To gain entry into a Bachelor of Space Science or equivalent at an Australian university, applicants typically need to have completed Year 12 (or equivalent interstate or international qualification) with a competitive ATAR. Most programmes require prerequisite study in Physics and Mathematics (including calculus-based maths) at senior secondary level, reflecting the degree's strong quantitative foundation. Guaranteed entry ATARs vary by institution, but programmes in this field tend to be competitive given their specialist and limited-enrolment nature. Some institutions guarantee entry at specific ATAR thresholds provided prerequisite subjects are met, and applicants without a formal Year 12 qualification may be considered on the basis of completed tertiary study, significant relevant work experience, or a Special Tertiary Admissions Test (STAT).

For domestic applicants, applications are typically submitted through a state-based tertiary admissions centre (e.g., VTAC in Victoria, SATAC in South Australia, UAC in New South Wales, QTAC in Queensland). International applicants must meet equivalent academic standards — typically demonstrated through International Baccalaureate results, A-levels, or other approved Year 12 equivalents — and also satisfy English language proficiency requirements. Most universities require an IELTS Academic score of at least 6.0 to 6.5 overall (with no individual band below 6.0), or equivalent test scores in TOEFL, PTE, or Cambridge English. Some programmes offer an Honours year in a fourth year, which requires completing the three-year degree with a minimum grade point average (typically a credit or distinction average). No portfolio or work experience is typically required for undergraduate entry, though relevant experience in STEM clubs, rocketry teams, or astronomy societies can strengthen an application.