Dark Matter Explained: What Exactly is Dark Matter? | A Beginner’s Guide to Dark Matter

The video explores the concept of dark matter, an invisible substance that doesn't emit or absorb light, making it undetectable through traditional means. It discusses the historical context, starting with early theories by astronomers Jan Ort and Fritz Zwicki, and explains how dark matter is inferred through its gravitational effects on visible celestial bodies. The video also covers the technology used to study dark matter, such as the Hubble Space Telescope and Chandra X-ray Observatory, and presents various hypotheses about its composition. Understanding dark matter is crucial for comprehending the universe's structure and evolution.

What is dark matter and why is it difficult to detect?

How did Jan Ort contribute to the understanding of dark matter?

How does dark matter influence the motion of stars in galaxies?

What evidence do astronomers use to infer the existence of dark matter?

Discuss the role of technology in studying dark matter.

Explain the significance of the Hubble Space Telescope's findings related to dark matter.

What are some hypotheses regarding the composition of dark matter?