Let's find out where the universe started! And we'll look at how a satellite picking up interference accidentally found evidence for where the universe started. We also find out why you can have a COVID vaccination on the same day as another vaccination but not the day after...

https://www.khanacademy.org/science/cosmology-and-astronomy/universe-scale-topic/big-bang-expansion-topic/v/cosmic-background-radiation

https://www.space.com/18090-alpha-centauri-nearest-star-system.html

https://immunisationhandbook.health.gov.au/contents/vaccine-preventable-diseases/covid-19#coadministration-with-other-vaccines