Reaching for the Ring: M57 by Dietmar Hager
Posted Wednesday July 2, 2008, 2:15 pm, Over one day old
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Mars has two faces. No, not those kind of faces, but the notable differences between the northern and southern hemisphere. This disparity has long puzzled planetary scientists, but most concurred that early in Mars history, impacts shaped the planet?s two-faced landscape.
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But a new study of Martian soil data implies that Mars? atmosphere was once thick enough to hold moisture and that dew or even drizzle hit the ground. Read the rest of Mars Atmosphere Once Held Enough Moisture for Dew or Drizzle (611 words)
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During the period between birth and dark matter depletion, these first stars were effectively but into a "deep freeze" where normal star development was prevented. But say if a Population III star was born in an exceptionally dense cloud of dark matter?
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But an international group of astronomers believes that dark energy should be detectable, and they are constructing a huge camera, designed to look for it. Read the rest of Huge Camera to Observe Dark Energy (266 words) Browse the archive of posts filed under Dark Energy.
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Read Homer's "Odyssey" May Chronicle Ancient Eclipse (Links)
Seyfert galaxies appear to be normal spiral galaxies, but they have fluctuating bright centers. And now, their deep-down, hidden nature has been revealed: they are cannibals. Astronomers had suspected this was the case, but until now, they didn?t have the evidence to support the idea.
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This was the second re-boost carried out by the ATV, a mission (dubbed "Jules Verne") that has surpassed all expectations. Read the rest of ATV Jules Verne Surpasses All Expectations (Videos) (458 words)
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