Horizon Season 2016 Episode 3 The Mystery of Dark Energy

Horizon season 2016 episode 3, titled "The Mystery of Dark Energy," explores one of the biggest questions in modern cosmology: what is dark energy? For years, scientists have been trying to understand dark energy - a mysterious force that is accelerating the expansion of the universe. In this episode, the show delves into the latest research and theories surrounding dark energy, as well as the implications of our current understanding.

The episode begins with a brief overview of the history of cosmology and our understanding of the universe's expansion. It then introduces dark energy, which was discovered in the late 1990s when astronomers found that the universe is actually accelerating in its expansion, rather than slowing down.

The show follows a team of scientists around the world as they work to unlock the secrets of dark energy. They begin by taking precise measurements of supernovae - exploding stars - in order to try and understand how the universe is expanding. This research has led to the discovery of a new type of supernova, type Ia, which has proven to be a key tool in measuring dark energy.

The scientists also explore other theories about dark energy, including the possibility that it's not a force at all, but rather a flaw in our understanding of gravity. They also consider the idea that dark energy could be an entirely new force that we have yet to discover.

Throughout the show, the scientists discuss the philosophical implications of their research. They consider what our understanding of dark energy could mean for the fate of the universe and for our own existence. The show also touches on the role of the scientific method in exploring the unknown and coming to a greater understanding of the universe.

Overall, "The Mystery of Dark Energy" is an informative and thought-provoking exploration of one of the biggest mysteries in modern cosmology. Through its coverage of the latest research and theories, it offers an engaging glimpse into the cutting-edge work being done to unlock the secrets of the universe. So, if you are interested in understanding more about the universe and the mystery that surrounds it, this episode is definitely worth watching.