<a href="http://chandra.harvard.edu/press/02_releases/press_073102.html">
<img src="http://chandra.harvard.edu/photo/2002/igm/igm_illustration_spec.jpg" width="300" height="232" border="0" alt="Click image for full press release"></a>
NASA’s Chandra X-ray Observatory has discovered part of an intergalactic web of hot gas and dark matter that contains most of the material in the universe. The hot gas, which appears to lie like a fog in channels carved by rivers of gravity, has been hidden from view since the time galaxies formed.
<img src="http://chandra.harvard.edu/photo/2002/igm/igm_illustration_spec.jpg" width="300" height="232" border="0" alt="Click image for full press release"></a>
NASA’s Chandra X-ray Observatory has discovered part of an intergalactic web of hot gas and dark matter that contains most of the material in the universe. The hot gas, which appears to lie like a fog in channels carved by rivers of gravity, has been hidden from view since the time galaxies formed.