# A Circumstellar Disk Around β Pictoris

@article{Smith1984ACD,
title={A Circumstellar Disk Around $\beta$ Pictoris},
author={Bradford A. Smith and Richard Terrile},
journal={Science},
year={1984},
volume={226},
pages={1421 - 1424}
}
• Published 21 December 1984
• Physics, Geology
• Science
A circumstellar disk has been observed optically around the fourth-magnitude star β Pictoris. First detected in the infrared by the Infrared Astronomy Satellite last year, the disk is seen to extend to more than 400 astronomical units from the star, or more than twice the distance measured in the infrared by the Infrared Astronomy Satellite. The β Pictoris disk is presented to Earth almost edgeon and is composed of solid particles in nearly coplanar orbits. The observed change in surface…
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