Astronomers now can precisely measure the distance of stars up to - TopicsExpress



          

Astronomers now can precisely measure the distance of stars up to 10,000 light-yrs away ~ 10X farther than previously possible. Astronomers have developed yet another novel way to use the 24-yo space telescope by employing spatial scanning, which dramatically improves Hubbles accuracy for making angular measurements. The technique, when applied to the age-old method for gauging distances called astronomical parallax, extends Hubbles tape measure 10 times farther into space. This new capability is expected to yield new insight into the nature of dark energy, a mysterious component of space that is pushing the universe apart at an ever-faster rate,
Posted on: Sun, 13 Apr 2014 17:25:04 +0000

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