Locking your doors will ensure that the doors stay closed to prevent you and your passengers from ejecting from the vehicle and to prevent the roof from collapsing. (myimprov.com)
June 4, 2013 — A flash of light from a stellar outburst has provided a rare look at the 3 - D structure of material ejected by an erupting nova. (religion.blogs.cnn.com)
The tail may be created directly from ejected material off the fast rotating nucleus, or from ice within the asteroid subliming into water vapor after being freshly exposed on the surface. (sciencedaily.com)