Search Menu
Photonics Media Photonics Buyers' Guide Photonics EDU Photonics Spectra BioPhotonics EuroPhotonics Industrial Photonics Photonics Showcase Photonics ProdSpec Photonics Handbook
More News
Email Facebook Twitter Google+ LinkedIn Comments

Astronomers Discover the Moon Has a Tail
Jun 1999
BOSTON, Mass., June 10 -- Boston University astronomers report the discovery of a new feature of the Earth's moon -- a sodium-gas tail over half a million miles long. Scientists stumbled across this discovery in November when a Boston University team pointed a sensitive camera in the opposite direction from the moon in an attempt to photograph the Leonid meteor storm. Instead, they found a patch of sodium emission in an otherwise moonless sky.
It grew to be larger and brighter on November 19, and then faded slightly on November 20, said Steven Smith, a research associate in the university's center for space physics. Astronomers compared the findings with data recorded earlier that year, when similar observations were made following the new moon of August 21, 1998. They found the same types of emissions appearing in the same shapes over the same three nights spanning the new moon, though the August tail was much fainter. The scientists credit November's strong Leonid storm with the enhanced tail that allowed for relatively easy observation.

News & Features

Terms & Conditions Privacy Policy About Us Contact Us
back to top
Facebook Twitter Instagram LinkedIn YouTube RSS
©2018 Photonics Media, 100 West St., Pittsfield, MA, 01201 USA,

Photonics Media, Laurin Publishing
x We deliver – right to your inbox. Subscribe FREE to our newsletters.
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.