Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old as time itself.
A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.
Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark ...
Special features: Text features Spike Lee biography, Epilogue; Making of Four little girls [featurette] (29 min.); Web links [requires a DVD-ROM drive and Internet access]. Interviewees, Maxine McNair ...