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Latest James Braatz Stories

2009-06-11 09:31:01

U.S. astronomers using radio telescopes to measure the distance to a distant galaxy have created a yardstick for calibrating large astronomical distances. The radio astronomers said their yardstick also demonstrates an important method that could help determine the nature of the so-called dark energy that pervades the universe. We measured a direct, geometric distance to the galaxy, independent of the complications and assumptions inherent in other techniques, James Braatz of the National...

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2009-06-08 12:40:00

Radio astronomers have directly measured the distance to a faraway galaxy, providing a valuable "yardstick" for calibrating large astronomical distances and demonstrating a vital method that could help determine the elusive nature of the mysterious Dark Energy that pervades the Universe."We measured a direct, geometric distance to the galaxy, independent of the complications and assumptions inherent in other techniques. The measurement highlights a valuable method that can be used to...


Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'kardia,' heart.
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