What are Black Holes? [Astronomer Explains]

Advancing tools and techniques are revealing more about black holes, but they also raise more questions that continue to capture the imaginations of people everywhere. Questions like, what is inside a black hole? What is the nearest black hole to Earth? What causes a black hole? Dr. Joe Pesce, an astrophysicist with the U.S. National Science Foundation, joins to answer some popular questions.

Видео What are Black Holes? [Astronomer Explains] канала National Science Foundation News