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Course type
Certificate  

Certificate

  • Qualification unique to The Open University.
  • Focus on a particular profession or subject area.
  • Study for interest or career development.
  • A wide range of subjects and levels.
Credits
60  

Credits

  • Credits measure the student workload required for the successful completion of a module or qualification.
  • One credit represents about 10 hours of study over the duration of the course.
  • You are awarded credits after you have successfully completed a module.
  • For example, if you study a 60-credit module and successfully pass it, you will be awarded 60 credits.
How long it takes
Part-time study – 1 year
Full-time study – N/A
Time limit – 4 years
Study method
Distance learning
Entry requirements
Find out more about
Entry requirements
Ask a question

Certificate in Astronomy and Planetary Science

Course code: S10

This OU level 2 certificate covers fundamental astronomy and planetary science. You’ll study the Solar System, stars, galaxies, exoplanets and the search for life in the Universe. Learn how astronomers ‘measure’ the Universe using spectroscopy, imaging and time-variability as observational tools. You’ll study the physical processes that drive the birth and evolution of stars and galaxies. Learn about the formation and development of the Solar System and other planetary systems. Consider how life arose on Earth and whether life has arisen beyond Earth. You’ll look at planetary processes such as volcanism and impacts in the Solar System; the structure of planets and their atmospheres; and asteroids, comets and meteorites.

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  • Gain a firm scientific foundation in astronomy and planetary science
  • Develop investigative and laboratory skills using our state-of-art multi-award-winning OpenSTEM Labs
  • Gain skills of reason and logic, highly prized in the workplace
Course type
Certificate  

Certificate

  • Qualification unique to The Open University.
  • Focus on a particular profession or subject area.
  • Study for interest or career development.
  • A wide range of subjects and levels.
Credits
60  

Credits

  • Credits measure the student workload required for the successful completion of a module or qualification.
  • One credit represents about 10 hours of study over the duration of the course.
  • You are awarded credits after you have successfully completed a module.
  • For example, if you study a 60-credit module and successfully pass it, you will be awarded 60 credits.
How long it takes
Part-time study – 1 year
Full-time study – N/A
Time limit – 4 years
Study method
Distance learning
Entry requirements

Find out more about Entry requirements

Ask a question

This astronomy and planetary science certificate has one stage, comprising 60 credits.

  • You’ll study two 30-credit modules.

You’ll study two 30-credit modules.

Stage 1 modules
ModulesCredits
You'll study both of the following:
Planetary science and the search for life (S283)30
Astronomy (S284)30

We regularly review our curriculum; therefore, the qualification described on this page – including its availability, its structure, and available modules – may change over time. If we make changes to this qualification, we’ll update this page as soon as possible. Once you’ve registered or are studying this qualification, where practicable, we’ll inform you in good time of any upcoming changes. If you’d like to know more about the circumstances in which the University might make changes to the curriculum, see our Academic Regulations or contact us. This description was last updated on 18 March 2025.

Accessibility

Our qualifications are as accessible as possible, and we have a comprehensive range of support services. Our Certificate of Astronomy and Planetary Science uses a variety of study materials and includes the following elements:

  • Online study – most modules are online; some have a mix of printed and online material. Online learning resources could include websites, audio/video, and interactive activities
  • Pre-determined schedules – we’ll help you to develop your time-management skills
  • Assessment in the form of short-answer questions, essays, and examinations
  • Feedback – continuous assessment includes feedback from your tutor and using this to improve your performance
  • Using and producing diagrams and screenshots
  • Finding external/third-party material online
  • Accessing online catalogues and databases
  • Mathematical and scientific expressions, notations and associated techniques
  • Online tutorials
  • Group-work
  • Practical work

Every module has its own Accessibility Statement with more detailed accessibility information – you’ll find these on individual module descriptions.

Visit our Disability support page to learn about our services.

Learning outcomes, teaching and assessment

This qualification develops your learning in four main areas:

  • Knowledge and understanding.
  • Cognitive skills.
  • Practical and professional skills.
  • Key skills.
Read the detailed learning outcomes here

On completion

On successfully completing this course, we’ll award you our Certificate in Astronomy and Planetary Science.

International recognition

If you intend to use your Open University qualifications to seek work or undertake further study outside the UK, we recommend checking whether your intended qualification will meet local requirements for your chosen career. Find out more about international recognition of Open University qualifications.

Regulations

As a student of The Open University, you should be aware of the content of the qualification-specific regulations below and the academic regulations that are available on our Student Policies and Regulations website. 

There are no formal entry requirements to study this qualification. However, this module starts at OU level 2 – it’s essential you have adequate study skills, such as gained from OU level 1 study or equivalent, before you start. Having studied physics and maths to A-level standard and/or Physics and space (SM123) would significantly improve your readiness to start this certificate.

The booklets Are You Ready For S284? and Are You Ready For S283? will help you decide whether you already have the recommended background knowledge or experience to start the qualification or you need some extra preparation.

How much time do I need?

  • Most of our students study part time, completing 60 credits a year.
  • This will usually mean studying for 16–18 hours a week.

Find out if you have enough time to study with our time planner

How much will it cost in England?

We believe cost shouldn’t be a barrier to achieving your potential. That’s why we work hard to keep the cost of study as low as possible and have a wide range of flexible ways to pay to help spread the cost.

  • A qualification comprises a series of modules, each with an individual fee. Added together, they give you the total cost.
  • Fees are paid on a module-by-module basis – you won't have to pay for the whole of your qualification up front.
  • Our current fee for 60 credits is £3,892*.
  • Our current fee for 120 credits, which is equivalent to a year’s full-time study, is £7,784*.
  • At current prices, the total cost of your qualification would be £3,892*.

*The fee information provided here is valid for modules starting before 31 July 2026. Fees typically increase annually. In England, fees are subject to the part-time fee limit, as set out in section 5 of the University's Fee Rules.

Additional costs

Study costs

There may be extra costs on top of the tuition fee, such as set books, a computer and internet access.

If your income is not more than £25,000 or you receive a qualifying benefit, you might be eligible for help with some of these costs after you start studying.


How will I study this course?

With our unique approach to distance learning, you can study from home, work or on the move.

You’ll have some assessment deadlines to meet, but otherwise, you’ll be free to study at the times that suit you, fitting your learning around work, family, and social life.

For each of your modules, you’ll use either just online resources or a mix of online and printed materials.

Each module you study will have a module website with

  • a week-by-week study planner, giving you a step-by-step guide through your studies
  • course materials such as reading, videos, recordings, and self-assessed activities
  • module forums for discussions and collaborative activities with other students
  • details of each assignment and their due dates
  • a tutorial booking system, online tutorial rooms, and your tutor’s contact details
  • online versions of some printed module materials and resources.

If you have additional needs, we can also provide most module materials in alternative formats. Find out more about materials on our accessibility webpage.

See how our module websites work.

Tutor support

Student, Joe, talks about balancing working at the NHS and studying with the OU and how he has the best of both worlds.

You’ll have a tutor for each module, who will introduce themselves before the module begins.

Throughout the module, they will:

  • mark your assignments and give feedback to help you improve
  • guide you to learning resources
  • support you, whether with general study skills or help with a specific topic.

Tutorials

Tutorials usually take place online, and they’re always optional.

Online tutorials are live presentations with module tutors in dedicated online tutorial rooms and are sometimes recorded.

Assessment

Our assessments are all designed to reinforce your learning and help you show your understanding of the topics. The mix of assessment methods will vary between modules.

Computer-Marked Assignments

  • Usually, a series of online, multiple-choice questions.

Tutor-Marked Assignments

  • You’ll have a number of these throughout each module, each with a submission deadline.
  • They can be made up of essays, questions, experiments or something else to test your understanding of what you have learned.
  • Your tutor will mark and return them to you with detailed feedback.

End-of-Module Assessments

  • The final, marked piece of work on most modules.
  • Modules with an end-of-module assessment won’t usually have an exam.

Exams

  • Some modules end with an exam. You’ll be given time to revise and prepare.
  • You’ll be given your exam date at least 5 months in advance.
  • Most exams take place remotely, and you will complete them at home or at an alternative location.
  • If a module has an in-person exam (that you must take at one of our exam centres) or is invigilated online, we’ll make this clear in the module description.

Progressing to a point where I felt more comfortable writing my assignments, and having my scores reflecting that, made me quite happy because it showed the hard work was being rewarded.

Patrick ‘Ricky’ Skene, BSc (Hons) Sport, Fitness and Coaching

Other support and resources

Throughout your studies, you’ll have access to our subject-specific Student Support Teams.

They’ll help you with any general questions about your study and updates to your OU account.

To help with your studies, you’ll also have access to:

  • our online library, with high-quality online resources to support your study
  • other university libraries in the UK and Ireland
  • the online Help Centre, which has general information about OU study and support, along with study skills advice
  • free Microsoft Office 365 software
  • IT and computing support from our Computing Helpdesk.

Find out more about student support and being a part of the OU community.

Having a course that was really varied and studying in a style that worked for Nick, was key to him launching his own business and becoming an entrepreneur.

Skills for career development

As well as an understanding of astronomy and planetary science, this certificate will develop skills in scientific literacy and numeracy, locating and interpreting scientific data, and using a computer to find and communicate information. It also provides a sound foundation for progressing to an honours degree in a relevant area.

Career relevance

The specialist knowledge and understanding you’ll gain by studying this certificate are particularly applicable to areas such as research and investigation, data analysis, public information, scientific journalism and education. Science is a shortage subject at secondary school level, so there may be incentives to train as a physics, chemistry or maths teacher.

Other careers

People with science qualifications are in demand in the jobs market, particularly if they also have good interpersonal skills and some workplace experience. The logical, reasoned approach needed for science study is relevant to a wide range of financial, business and public sector employment.

Exploring your options

Once you register with us (and for up to three years after you finish your studies), you’ll have full access to our careers service for a wide range of information and advice – including online forums, website, interview simulation, vacancy service as well as the option to email or speak to a careers adviser. Some areas of the careers service website are available for you to see now, including help with looking for and applying for jobs. You can also read more general information about how OU study enhances your career.

In the meantime if you want to do some research around this qualification and where it might take you, we’ve put together a list of relevant job titles as a starting point (note that some careers may require further study, training and/or work experience):

  • astronomer
  • observatory assistant
  • astrophysicist
  • research assistant
  • science teacher
  • meteorologist
  • geophysicist
  • scientific journalist
  • technical consultant
  • planetarium manager
  • museum curator.

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