Cornagraph Demonstration

About this video
Duration: 8 seconds

To image the dust ring aroung star HR 4796A Hubble scientists used their infrared camera's coronagraph to eclipse the star's light and reveal the fainter ring that had not been visible next to the brighness of the star.

Animated Answers, Stars, Stellar Disks


Greg Bacon, STScI

Publication: January 8, 1999

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