Dara and Brian’s journey through the night sky continues with a look at Black Holes, the most mysterious and destructive objects in the whole Universe.
Liz Bonnin finds out how our galaxy the Milky Way was formed, whilst Mark Thompson investigates the problems that are caused by light pollution.
The second episode of Stargazing LIVE will air Tuesday 17th January at 20.00 on BBC TWO.
Get closer to the stars with The Open University
If you've really enjoyed the Stargazing Live experience, you might like The Open University's brand-new short course, Galaxies, Stars And Planets.
Visit our main Stargazing LIVE page to explore the story of the Universe with our interactives, and examine meteorites up close. Also enjoy free learning materials about the Moon and more.