National Science Foundation: Star Makes Closest Approach to Black Hole in Milky Way

Did you know black holes aren't black? Learn more about space with an episode from a larger series exploring physics. We know more about black holes now than ever before in history, yet we aren't sure we really know anything at all.

Here's a black hole video that will definitely pull you in! Give pupils something to ponder as they explore the depths of the strangest entities in the universe. Topics include stellar mass and supermassive black holes, what you'd...

Where does Earth fit in the grand scheme of things? Find out in an intriguing video filled with facts and beautiful images! Learners journey to the center of the Milky Way to discover how our galaxy works. The narrator describes the...

Black holes are not just events in sci-fi movies—they're part of real life! Learners experience the creation of a black hole as they watch an episode of the Socratica playlist. The presenter explains the creation and composition of...

Everything is relative ... including the length of a year! Physics students explore time on a galactic scale in an animated video. The resource focuses on the tropical year upon which our calendar is based, galactic years, and the length...

Scientists know about a super massive black hole, more than four million times the mass of the sun, at the center of the galaxy. As one part of a video series, astronomers explain this discovery and the many tools used to confirm it....

Just how big is the galaxy? Learners read information about the size of the Milky Way galaxy to better comprehend its size. Pupils develop an understanding of the number of stars in the galaxy by finding just how big a billion is and...

The destructive power of black holes is enough to give any astrophysicist nightmares. No wonder the question arises as to whether a black hole can be destroyed. The narrator of a theoretical video explores the possibilities.

This animation by Thomas Goertel of the Space Telescope Science Institute is an artist's conception of a spiral galaxy harboring a super-massive black hole. Observe how the material rotates faster the closer it is to the nucleus.

What happens to radio waves, time, and light in and near a black hole? Young scientists explore what is known about observing frequency and time at various distances from a black hole. They control the size of the black hole and the...