Ask an Astronomer / What's Between the Stars?

Description

In this 'Ask an Astronomer' episode, Dr. Michelle Thaller explains how there can be an interstellar medium in a vacuum.

Subtitle: In this 'Ask an Astronomer' episode, Dr. Michelle Thaller explains how there can be an interstellar medium in a vacuum.
Duration
Publishing date: 2008-10-23 00:00
Link: http://www.spitzer.caltech.edu/video-audio/161-ask2008-006-What-s-Between-the-Stars-
Contributors: NASA's Spitzer Science Center and Infrared Processing and Analysis Center; author
Enclosures: http://www.spitzer.caltech.edu/uploaded_files/video_files/0010/4758/2008-006.m4v; video/x-m4v