Course cost

Is The Evolving Universe free? Full cost breakdown

Cost data retrieved 2026-08-144 min read

The short answer

Yes. The Evolving Universe is free. Caltech lists it in the free category, meaning the course material is available at no cost.
Cost model Free
Provider Caltech
Length 66 hours
Certificate Offered
Rating 4.6 / 5 (841 ratings)
Enrolled 80,604

What you actually pay for The Evolving Universe

The Evolving Universe carries a free cost classification. You can work through the course content without paying. Where a shareable certificate is offered, that is normally the part that carries a fee. The learning material itself is not gated behind one.

The cost classification above is the one Caltech publishes in the structured data on its own course listing, retrieved 2026-08-14. We report that classification rather than a headline price, because the advertised price changes with promotions, region and subscription bundling. The classification is the part that tells you what kind of purchase you are making.

The Evolving Universe cost at a glance

DetailInfo
CourseThe Evolving Universe
Cost modelFree: course material available at no cost
ProviderCaltech
Taught byS. George Djorgovski
Time to complete66 hours
CertificateOffered on completion
Learner rating4.6 / 5 from 841 ratings
Total enrolled80,604
Subject areaScience & Engineering

Is the The Evolving Universe certificate worth paying for?

The Evolving Universe offers a certificate on completion. Whether it justifies its cost depends on what you need it for. A certificate is evidence that you finished something; it is not evidence that you can do the work. Hiring managers in Science and Engineering weight a portfolio of applied work more heavily than a completion certificate, and that gap widens the more senior the role.

The case for paying is narrower and more specific than the marketing suggests: an employer or professional body that reimburses or requires it, a visa or compliance requirement, or a career change where you have no other artifact to show. If none of those apply to you, the free or audit path plus a project you actually built is usually the better trade.

How long The Evolving Universe really takes

Caltech lists The Evolving Universe at 66 hours. Treat that as the floor rather than the estimate. Published durations count video and reading time; they do not count re-watching, note-taking, or the time you lose to an exercise that will not compile. A realistic planning figure is roughly one and a half to two times the listed length.

This matters directly to cost when the course is subscription-based, because the time it takes you is what you are actually paying for.

What 841 ratings tell you

A 4.6 average across 841 ratings is solid but not exceptional. At this level it is worth reading the critical reviews specifically, because a rating in this band usually reflects a real and consistent complaint rather than noise. 80,604 learners have enrolled in total.

Enrolment counts are cumulative and include everyone who signed up, not everyone who finished. On free and subscription courses in particular, enrolment is a much weaker signal than the rating, because signing up costs nothing.

Who The Evolving Universe suits

The Evolving Universe is taught by S. George Djorgovski through Caltech, in Science and Engineering. This is an introductory astronomy survey class that covers our understanding of the physical universe and its major constituents, including planetary systems, stars, galaxies, black holes, quasars, larger structures, and the universe as a whole.

How The Evolving Universe compares on cost to other Science and Engineering courses

Cost model is easier to judge against its neighbours than on its own. Of the 6 other Science and Engineering courses we hold cost data for, 3 are free, which is the context that tells you whether free is normal here or unusual.

CourseCost modelRatingLength
The Evolving UniverseFree4.666 hours
Our Energy FutureFree4.739 hours
GIS Data Formats, Design and QualitySubscription4.827 hours
Greening the Economy: Sustainable CitiesSubscription4.710 hours
Introduction to Power ElectronicsSubscription4.712 hours
Municipal Solid Waste Management in Developing CountriesFree4.816 hours
Introdução ao Controle de SistemasFree4.820 hours

Frequently asked questions about The Evolving Universe

Is The Evolving Universe free?

The Evolving Universe is classified as free, so the course material can be accessed without payment. A certificate, if one is offered, is typically the paid element.

How long does The Evolving Universe take?

Caltech lists it at 66 hours. Allow more than that in practice: published durations exclude review time and exercises that take longer than planned.

Does The Evolving Universe come with a certificate?

Yes, a certificate is offered on completion. It is normally the paid component even where the course material itself is not.

Is The Evolving Universe worth it?

It holds 4.6 out of 5 from 841 ratings, with 80,604 enrolled. On cost model it is free, so the question is less whether it is good and more whether the cost model fits how you actually study.

View The Evolving Universe on Caltech for current pricing and enrolment.

Federal data behind this page

What a programme costs, what its graduates earn, and what aid is available are published by federal statistical agencies rather than by any provider's marketing page, and the sources below are the primary ones. They are linked so a reader can check a figure here directly.

This page compares programmes on published data. Outcomes vary by student, and a reader's own aid package and circumstances decide what a programme actually costs them.