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Astronomers Spy On Galaxies in the Raw

terraxt's avatarAfter Big Bang

A CSIRO radio telescope has detected the raw material for making the first stars in galaxies that formed when the Universe was just three billion years old — less than a quarter of its current age. This opens the way to studying how these early galaxies make their first stars.

The telescope is CSIRO’s Australia Telescope Compact Array telescope near Narrabri, NSW. “It one of very few telescopes in the world that can do such difficult work, because it is both extremely sensitive and can receive radio waves of the right wavelengths,” says CSIRO astronomer Professor Ron Ekers.

The raw material for making stars is cold molecular hydrogen gas, H2. It can’t be detected directly but its presence is revealed by a ‘tracer’ gas, carbon monoxide (CO), which emits radio waves.

In one project, astronomer Dr Bjorn Emonts (CSIRO Astronomy and Space Science) and his colleagues used the…

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You are your own Guru!!

cedricrobin's avatarUnlock Your Mind

Man, there is nothing special about me! There is nothing special about the Dalaï Lama! Nothing special about Jesus! Nothing special about all these ‘wise’ men! You know why? Because you are the same as them… What they say, you already know it… What they do, you can do it… Only your fear makes you blind from who you are… Nothing wrong with being afraid, it’s part of life! You just need to acknowledge and accept your fear to make them sleep… Yes, I am afraid of being stupid… Yes, I am afraid of being ugly… Yes, I am afraid of being wrong… Yes, I am afraid of being no one… Yes, I am afraid of being weak and powerless… Because I don’t remember that I am EVERYTHING that is!!!!

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Ten Thousandth Near-Earth Object Discovered in Space

terraxt's avatarAfter Big Bang

More than 10,000 asteroids and comets that can pass near Earth have now been discovered. The 10,000th near-Earth object, asteroid 2013 MZ5, was first detected on the night of June 18, 2013, by the Pan-STARRS-1 telescope, located on the 10,000-foot (convert) summit of the Haleakala crater on Maui. Managed by the University of Hawaii, the PanSTARRS survey receives NASA funding.

Ninety-eight percent of all near-Earth objects discovered were first detected by NASA-supported surveys.

“Finding 10,000 near-Earth objects is a significant milestone,” said Lindley Johnson, program executive for NASA’s Near-Earth Object Observations Program at NASA Headquarters, Washington. “But there are at least 10 times that many more to be found before we can be assured we will have found any and all that could impact and do significant harm to the citizens of Earth.” During Johnson’s decade-long tenure, 76 percent of the NEO discoveries have been made.

Near-Earth objects (NEOs) are…

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