Astro Olli goes back to school

Astronomy and cosmology are advancing at a rapid pace, which is why Astro Olli is back at his studies – albeit only virtually, via a distance-learning course on Coursera. I’m delighted to have completed my first astronomy course in quite some time.

My course certificate:
https://coursera.org/share/ba48305a254f65e20bd8c0a86bccbfe1