NASAのインスタグラム(nasagoddard) - 9月4日 04時01分

Conducting science in space is never simple. Imagine trying to study a specific region of the sun, for example, from a vantage point some 93 million miles away, probing that area at a level of precision less than 0.1 percent -- with less than five minutes to do the job.

That's the task facing scientists preparing to launch NASA's CLASP instrument, a joint effort between the United States, Japan, Spain and France, to the edge of space on September 3. CLASP is shorthand for the Chromospheric Lyman-Alpha Spectro-Polarimeter, a high-tech telescope that will obtain unprecedented observations during that tiny window of opportunity, when it will study the sun for some 300 seconds.

During that time, scientists anticipate CLASP will deliver the first-ever measurement of the magnetic field in the sun's middle layers, the upper chromosphere and the transition region. To accomplish this, "it will measure the Hanle effect polarization of Lyman-Alpha in the solar chromosphere," said Amy Winebarger, principal investigator for CLASP and a researcher in the Science Research Office at NASA's Marshall Space Flight Center in Huntsville, Alabama. Read more: http://1.usa.gov/1LOHBxt

Credits: NASA/MSFC

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