LSU Astrophysicst Geoffrey Clayton's recent paper is featured in Research Highlights from the journals of the AAS
This paper reports the results of program using Hubble Space Telescope to study the nature of interstellar dust in the Andromeda Galaxy, which is the nearest galaxy similar to the Milky Way. Interstellar dust consists of grains of sand and soot. His team studied how the absorption of ultraviolet light changes at different wavelengths, providing clues to what the dust is made out of, and its size and shape. Read more.