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Aerogels and Stardust
IN a previous post on “Stardust,” I was enamoured with “the product,” that could do all the things that it said it could do. -It is 99.8% Air -Provides 39 times more insulating than the best fiberglass insulation -Is 1,000 times less dense than glass -Was used on the Mars Pathfinder rover So having understood…
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Now, here is a SuperNova for Real
The Crab Nebula from VLT Credit: FORS Team, 8.2-meter VLT, ESO Now the “ultimate proof” is to hold in our hands the matters defined by objects. This is the culmination of all dimensional perspectives, being “condensed to the moment” we hold the stardust samples in our hands. In that case, it may be of a…
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Are We Made of Stardust?
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Radius of the Universe
HUBBLE DIAGRAM AND ITS CONSTRAINTS ON COSMOLOGYBradley Schaefer A Hubble Diagram is presented based on 172 distance measures involving 52 Gamma-Ray Bursts out to redshifts of 6.3. The observed shape of the Hubble Diagram is a measure of the expansion history of the Universe, which will include the effects of the ‘Dark Energy’ that dominates…
