Astronomy Picture of the Day ·

Light Can Twist as Well as Spin

The Astronomy Picture of the Day for November 19, 2003 is “Light Can Twist as Well as Spin,” an image. The picture is copyrighted by its creator (Credit & Copyright: M. J. Padgett , J. Leach ( U. Glasgow ) et al., Royal Society). The original explanation runs about 186 words.

Light Can Twist as Well as Spin
Credit & Copyright: M. J. Padgett , J. Leach ( U. Glasgow ) et al., Royal Society Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Light is more complicated than we thought. When astronomers measure light , they are usually concerned with its direction, energy, and spin polarization (sometimes).”

— APOD editors, November 19, 2003

Read the full explanation on science.nasa.gov

At a glance

Date
November 19, 2003
Type
Image
Credit
Credit & Copyright: M. J. Padgett , J. Leach ( U. Glasgow ) et al., Royal Society
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 186 words

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Source

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.