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Galaxy and distant quasar.


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Nearby galaxy and a more distant quasar.
Nearby galaxy and a more distant quasar.

Early Earth Wasn't So Hellish.

Nov 18, 2005 Most geologists believe that the early history of our planet was an extreme, "hellish" environment, under constant bombardment from asteroids, and completely devoid of modern formations, like continents. Researchers from ANU disagree, and think they've found evidence that continents had already formed within the first 500 million years, and there was liquid water interacting with rocks. The Earth at that time might have looked remarkably similar to our current planet, complete with continents and oceans.

More Einstein Rings Discovered.

Nov 18, 2005 Astronomers have turned up 19 new gravitationally lensed quasars using photographs from the Hubble Space Telescope and the Sloan Digital Sky Survey (SDSS). 8 of these are what are known as "Einstein's Rings", where a nearby Galaxy and a more distant quasar are perfectly lined up from our vantage point. The nearby Galaxy acts as a lens to gravitationally focus the light from the quasar to magnify our view of it.

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