Astronomy: Black Holes Sized Up
Clip: Special | 1m 4sVideo has Closed Captions
If a black hole is so strong not even light can escape, how do we see them?
A black hole is a point in space where gravity is so strong that not even light can escape. Astronomers think there is a black hole in the center of every galaxy. Some scientists classify them in four ways.
Science Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by Sparklight, the Friends of Idaho Public Television and the Corporation for Public Broadcasting.
Astronomy: Black Holes Sized Up
Clip: Special | 1m 4sVideo has Closed Captions
A black hole is a point in space where gravity is so strong that not even light can escape. Astronomers think there is a black hole in the center of every galaxy. Some scientists classify them in four ways.
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Science Trek
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Astronomy: What’s Your Color, Star?
Video has Closed Captions
Red, yellow or blue, what color is your favorite star? (1m 4s)
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Science Trek is a local public television program presented by IdahoPTV
Major Funding by the Laura Moore Cunningham Foundation and the Idaho National Laboratory. Additional Funding by Sparklight, the Friends of Idaho Public Television and the Corporation for Public Broadcasting.